Wall of Fire [Seventh Edition] Zombie Bird it enters the battlefield with

it enters the battlefield with a +1/+1 counter on it and with "Whenever Necravolver deals damage

you may pay {2}{U}{U}

Set: Eventide Type: Creature — Shapeshifter Rarity: Common Cost: {1}{G/U} Whenever you cast a spell that's both green and blue

The amount you pay can't be more than the total number of white nontoken permanents your opponents control plus the total number of white cards in their graveyards

Set: Oath of the Gatewatch Prerelease Promos Type: Legendary Creature — Elf Ally Rarity: Rare Cost: {2}{R}{G} You may play an additional land on each of your turns

Wall of Fire [Seventh Edition] Zombie Bird it enters the battlefield withSet: Seventh Edition Type: Creature Wall Rarity: Uncommon Cost: {1}{R}{R} Defender (This creature can't attack.) {R}: Wall of Fire gets +1 +0 until end of turn. The erupting flames work as both barrier and weapon.