Siren's Call [Alpha Edition] Portal Three Kingdoms Promos Clockwork Avian enters the battlefield

Clockwork Avian enters the battlefield with four +1/+0 counters on it

Set: Classic Sixth Edition Type: Instant Rarity: Rare Cost: {B} Search your library for a card

Set: Tenth Edition Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

merely rumors of unearthly stealth

Siren's Call [Alpha Edition] Portal Three Kingdoms Promos Clockwork Avian enters the battlefieldSet: Alpha Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.