Aether Vial [From the Vault: Relics] Nastiest put a +1/+1 counter on

put a +1/+1 counter on Dirtcowl Wurm

Set: Eternal Masters Type: Instant Rarity: Uncommon Cost: {U} Choose one —

This spell costs {7} less to cast if it targets a spell or ability that targets a creature you control with power 7 or greater

Set: Oath of the Gatewatch Prerelease Promos Type: Legendary Creature — Angel Rarity: Mythic Cost: {4}{W}{W} Flying

"Did it have this shape upon Mirrodin's creation

Aether Vial [From the Vault: Relics] Nastiest put a +1/+1 counter onSet: From the Vault: Relics Type: Artifact Rarity: Mythic Cost: {1} At the beginning of your upkeep, you may put a charge counter on Aether Vial. {T}: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield.