Legendary Creature — Frog DruidBerta, Wise Extrapolator
The Commander
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.
, 
: Create a 0/0 green and blue Fractal creature token and put X +1/+1 counters on it.
Guide
Wyrm hasn't written this commander's guide yet — check back soon.
Core Cards
The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.
Win Conditions
Win conditions appear once Wyrm has covered this commander.
Archetypes
Archetypes appear once Wyrm has covered this commander.
Combos
- Berta, Wise Extrapolator + Intruder Alarm + Ivy Lane Denizen
→ Infinite +1/+1 counters on a creature, Infinite ETB, Infinite creature tokens
- Berta, Wise Extrapolator + Shrieking Drake + Three Tree Scribe
→ Infinite ETB, Infinite LTB, Infinite storm count
- Berta, Wise Extrapolator + Animation Module + Extruder
→ Infinite ETB, Infinite death triggers, Infinite sacrifice triggers
- Animation Module + Decoction Module + Fabrication Module + Berta, Wise Extrapolator
→ Infinite +1/+1 counters on a creature, Infinite ETB, Infinite creature tokens
- Donatello, the Brains + Animation Module + Mutagen Man, Living Ooze + Berta, Wise Extrapolator
→ Infinite ETB, Infinite creature tokens
Combos via Commander Spellbook.
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Same color identity (GU), by popularity.
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