Mana Vault [Ultimate Masters] Dryad Horror put a +1/+1 counter on

put a +1/+1 counter on Dirtcowl Wurm

The first player controls the second player during the second player's next turn

The lucky ones only feel its fetid breath

if you had another creature enter the battlefield under your control last turn

Set: Alpha Edition Type: Creature — Demon Rarity: Rare Cost: {4}{B}{B}{B} Flying

Mana Vault [Ultimate Masters] Dryad Horror put a +1/+1 counter onSet: Ultimate Masters Type: Artifact Rarity: Mythic Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.