Mold Adder
Creature — Fungus Snake
Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on this creature.
- CMC
- 1
- Mana cost
- Color identity
- G
- Rarity
- uncommon
- Set
- Foundations
- Price
- $0.26
- EDHREC rank
- #14239
Mold Adder grows a +1/+1 counter every time an opponent casts a blue or green spell — in any Commander pod, that's not a once-in-a-while trigger, it's a constant drumbeat. Aphelia, Viper Whisperer decks run it as a reliable counter-accumulator for essentially no mana overhead, since a one-mana 1/1 that outgrows most blockers by turn four is exactly what that engine wants.
Best Commanders
Commanders with the highest synergy
Aphelia, Viper Whisperer
Aphelia, Viper Whisperer rewards stacking +1/+1 counters on snakes and Mold Adder does it passively, taxing every blue or green spell at the table — in a four-player game, that's often the densest color pair, meaning Mold Adder can realistically hit three to four counters by turn three without any investment beyond the initial one mana.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Mold Adder punches well above its cost because the trigger fires off opponents' spells too — blue and green are the two most-played colors in the format, so a four-player pod will reliably feed it multiple counters per round. In competitive 1v1 formats like Legacy and Modern, the calculus flips: you only have one opponent, blue-green matchups are the only context where it grows consistently, and a 1/1 that does nothing the turn it enters can't compete with the speed of those formats. Pioneer and Standard are the same story — it sees virtually no play because conditional scaling without immediate impact doesn't match those formats' tempo demands. Commander is the only real home.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.26 bulk tier
At $0.26, Mold Adder is deep bulk — it costs less than a sleeve. Bulk rares with narrow applicability rarely climb, so don't expect this to move; grab a copy for the snake counter deck and forget about the price tag.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.