Art: Tuan Duong Chu · ™ & © Wizards of the Coast
Berta, Wise Extrapolator
UGLegendary Creature — Frog Druid · from $0.29
Increment (Whenever you cast a spell, if the amount of mana you spent is greater than this creature's power or toughness, put a +1/+1 counter on this creature.)
Whenever one or more +1/+1 counters are put on Berta, add one mana of any color.
{X}, {T}: Create a 0/0 green and blue Fractal creature token and put X +1/+1 counters on it.
A typical Commander deck
A starting template, not a rule — counts to fill in around the commander.
- Lands3736–38 for most decks; fewer with cheap curves
- Ramp10mana rocks, dorks, land ramp — mostly 2–3 mana
- Card draw10repeatable engines beat one-shot cantrips
- Targeted removal6answers for creatures AND artifacts/enchantments
- Board wipes3sweepers reset boards you've lost
- Synergy & win conditions33the deck's actual plan
Staples in these colors
The 100 cards that fit this color identity in the most EDHREC decklists (EDHREC rank via Scryfall).
Budget
55 of 100 at $5 or less · 31 at $1 or less
| # | Card | Type | MV | Price |
|---|---|---|---|---|
| 1 | Sol Ring | Artifact | 1 | $1.07 |
| 2 | Command Tower | Land | 0 | $0.26 |
| 3 | Arcane Signet | Artifact | 2 | $0.34 |
| 4 | Exotic Orchard | Land | 0 | $0.19 |
| 5 | Reliquary Tower | Land | 0 | $4.28 |
| 6 | Swiftfoot Boots | Artifact | 2 | $1.43 |
| 7 | Lightning Greaves | Artifact | 2 | $3.86 |
| 8 | Path of Ancestry | Land | 0 | $0.16 |
| 9 | Counterspell | Instant | 2 | $1.33 |
| 10 | Fellwar Stone | Artifact | 2 | $0.47 |
| 11 | Rogue's Passage | Land | 0 | $0.31 |
| 12 | Evolving Wilds | Land | 0 | $0.09 |
| 13 | Cultivate | Sorcery | 3 | $0.38 |
| 14 | Thought Vessel | Artifact | 2 | $2.23 |
| 15 | Farseek | Sorcery | 2 | $0.42 |
| 16 | Beast Within | Instant | 3 | $0.49 |
| 17 | Nature's Lore | Sorcery | 2 | $2.15 |
| 18 | Rampant Growth | Sorcery | 2 | $0.39 |
| 19 | Heroic Intervention | Instant | 2 | $9.28 |
| 20 | Terramorphic Expanse | Land | 0 | $0.10 |
| 21 | Myriad Landscape | Land | 0 | $0.25 |
| 22 | Mind Stone | Artifact | 2 | $0.21 |
| 23 | An Offer You Can't Refuse | Instant | 1 | $3.01 |
| 24 | Birds of Paradise | Creature | 1 | $4.98 |
| 25 | Polluted Delta | Land | 0 | $19.85 |
| 26 | Kodama's Reach | Sorcery | 3 | $1.55 |
| 27 | Flooded Strand | Land | 0 | $12.78 |
| 28 | Three Visits | Sorcery | 2 | $5.55 |
| 29 | Skullclamp | Artifact | 1 | $4.85 |
| 30 | Solemn Simulacrum | Creature | 4 | $0.27 |
| 31 | Misty Rainforest | Land | 0 | $35.98 |
| 32 | Bloodstained Mire | Land | 0 | $14.54 |
| 33 | Fabled Passage | Land | 0 | $0.65 |
| 34 | Windswept Heath | Land | 0 | $11.19 |
| 35 | Rhystic Study | Enchantment | 3 | $61.06 |
| 36 | Wooded Foothills | Land | 0 | $17.96 |
| 37 | Verdant Catacombs | Land | 0 | $29.16 |
| 38 | Scalding Tarn | Land | 0 | $36.86 |
| 39 | Marsh Flats | Land | 0 | $32.04 |
| 40 | Arcane Denial | Instant | 2 | $1.88 |
| 41 | Commander's Sphere | Artifact | 3 | $0.19 |
| 42 | Negate | Instant | 2 | $0.12 |
| 43 | Arid Mesa | Land | 0 | $31.40 |
| 44 | Cyclonic Rift | Instant | 2 | $29.75 |
| 45 | Llanowar Elves | Creature | 1 | $0.24 |
| 46 | Breeding Pool | Land | 0 | $9.15 |
| 47 | Swan Song | Instant | 1 | $10.72 |
| 48 | Ancient Tomb | Land | 0 | $56.94 |
| 49 | Brainstorm | Instant | 1 | $0.56 |
| 50 | Urborg, Tomb of Yawgmoth | Land | 0 | $56.13 |
| 51 | Boseiju, Who Endures | Land | 0 | $50.48 |
| 52 | Yavimaya, Cradle of Growth | Land | 0 | $16.76 |
| 53 | Fierce Guardianship | Instant | 3 | $59.21 |
| 54 | Temple of the False God | Land | 0 | $0.19 |
| 55 | Chromatic Lantern | Artifact | 3 | $0.38 |
| 56 | Otawara, Soaring City | Land | 0 | $26.57 |
| 57 | Garruk's Uprising | Enchantment | 3 | $0.39 |
| 58 | City of Brass | Land | 0 | $9.17 |
| 59 | The One Ring | Artifact | 4 | $109.88 |
| 60 | Hinterland Harbor | Land | 0 | $0.28 |
| 61 | Frantic Search | Instant | 3 | $0.82 |
| 62 | Mystic Remora | Enchantment | 1 | $10.97 |
| 63 | Elvish Mystic | Creature | 1 | $0.35 |
| 64 | Cavern of Souls | Land | 0 | $47.72 |
| 65 | Propaganda | Enchantment | 3 | $1.84 |
| 66 | Sakura-Tribe Elder | Creature | 2 | $0.30 |
| 67 | Mana Confluence | Land | 0 | $34.75 |
| 68 | Urza's Saga | Enchantment | 0 | $34.67 |
| 69 | Mana Drain | Instant | 2 | $50.65 |
| 70 | Lotus Petal | Artifact | 0 | $35.11 |
| 71 | Eternal Witness | Creature | 3 | $1.10 |
| 72 | Wayfarer's Bauble | Artifact | 1 | $0.31 |
| 73 | Roaming Throne | Creature | 4 | $47.06 |
| 74 | Ashnod's Altar | Artifact | 3 | $8.15 |
| 75 | Yavimaya Coast | Land | 0 | $0.31 |
| 76 | War Room | Land | 0 | $0.79 |
| 77 | Ponder | Sorcery | 1 | $1.82 |
| 78 | Rejuvenating Springs | Land | 0 | $4.12 |
| 79 | Delighted Halfling | Creature | 1 | $25.91 |
| 80 | Herald's Horn | Artifact | 3 | $2.88 |
| 81 | Mana Vault | Artifact | 1 | $91.59 |
| 82 | Pongify | Instant | 1 | $2.21 |
| 83 | Chrome Mox | Artifact | 0 | $51.19 |
| 84 | Windfall | Sorcery | 3 | $4.78 |
| 85 | Mystical Tutor | Instant | 1 | $14.99 |
| 86 | Nykthos, Shrine to Nyx | Land | 0 | $45.68 |
| 87 | Reflecting Pool | Land | 0 | $5.50 |
| 88 | Sink into Stupor // Soporific Springs | Instant | 3 | $9.68 |
| 89 | Worldly Tutor | Instant | 1 | $26.58 |
| 90 | Dreamroot Cascade | Land | 0 | $0.86 |
| 91 | Mystic Sanctuary | Land | 0 | $1.01 |
| 92 | Three Tree City | Land | 0 | $29.09 |
| 93 | Return of the Wildspeaker | Instant | 5 | $1.51 |
| 94 | Gemstone Caverns | Land | 0 | $62.05 |
| 95 | Command Beacon | Land | 0 | $7.99 |
| 96 | Hardened Scales | Enchantment | 1 | $1.85 |
| 97 | Tireless Provisioner | Creature | 3 | $2.33 |
| 98 | Doubling Season | Enchantment | 5 | $29.62 |
| 99 | Idol of Oblivion | Artifact | 2 | $2.40 |
| 100 | Prismatic Vista | Land | 0 | $28.10 |
Curve of these staples
3
0
17
1
18
2
16
3
3
4
2
5
6
7+
Combos with Berta, Wise Extrapolator
The 10 most popular of 35 combos (by EDHREC decklist count) using this commander that fit its color identity, from Commander Spellbook.
Berta, Wise Extrapolator + Intruder Alarm
Infinite creature ETB · Infinite creature LTB · Infinite creature tokens · Infinite death triggers · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Berta, Wise Extrapolator + Intruder Alarm + Ivy Lane Denizen
Infinite creature LTB · Infinite death triggers · Infinite +1/+1 counters on a creature · Infinite creature ETB · Infinite creature tokens · Infinite mana creatures you control can produce · Infinite untap of creatures
Berta, Wise Extrapolator + Shrieking Drake + Three Tree Scribe
Infinite +1/+1 counters on a creature · Infinite creature ETB · Infinite creature LTB · Infinite storm count
Animation Module + Berta, Wise Extrapolator + Extruder
Infinite artifact ETB · Infinite artifact LTB · Infinite artifact sacrifice triggers · Infinite +1/+1 counters on a creature · Infinite creature ETB · Infinite creature LTB · Infinite death triggers · Infinite creature sacrifice triggers
Animation Module + Berta, Wise Extrapolator + Decoction Module + Fabrication Module
Infinite artifact ETB · Infinite +1/+1 counters on a creature · Infinite creature ETB · Infinite creature tokens · Infinite energy counters
Animation Module + Berta, Wise Extrapolator + Donatello, the Brains + Mutagen Man, Living Ooze
Infinite artifact ETB · Infinite artifact LTB · Infinite artifact sacrifice triggers · Infinite creature ETB · Infinite creature tokens
Assassin Den + Berta, Wise Extrapolator + Biomancer's Familiar + Training Grounds
Infinite +1/+1 counters on a creature
Berta, Wise Extrapolator + Intruder Alarm + Plaguemaw Beast
Infinite creature ETB · Infinite creature LTB · Infinite death triggers · Infinite mana creatures you control can produce · Infinite proliferate · Infinite creature sacrifice triggers · Infinite untap of creatures · Infinite creature tokens
Berta, Wise Extrapolator + Biomancer's Familiar + Lyla, Holographic Assistant + Ray Fillet, Man Ray
Infinite card draw · Infinite draw triggers
Berta, Wise Extrapolator + Lyla, Holographic Assistant + Ray Fillet, Man Ray + Training Grounds
Infinite card draw · Infinite draw triggers
Top finishes
3 finishes placing top 16 at 16+ player events with this commander. Results from Topdeck.gg.
- 11th of 26 — Competitive Commander Win-a-Codex Bundle Event on Topdeck.ggJul 19, 2026 · 1–2–1 · by David Stebbs
- 16th of 16 — Team 6750: Secrets of Strixhaven $100 EDH Tournament on Topdeck.ggMay 30, 2026 · 0–4–0 · by Tyr Tyrrant
- 8th of 20 — Commander Budget - Magic Barcelona on Topdeck.ggMay 18, 2026 · 0–2–0 · by Adrià Seijas
Card data and images courtesy of Scryfall; popularity ranking from EDHREC decklist data included in Scryfall bulk. Combo data courtesy of Commander Spellbook. Tournament results courtesy of Topdeck.gg. Deckwarden is unofficial Fan Content and is not endorsed by Wizards of the Coast.