Siren's Call [Limited Edition Alpha] OP04-EN002 That land is a Swamp

That land is a Swamp for as long as it has a mire counter on it

Sacrifice Misty Rainforest: Search your library for a Forest or Island card

if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position

Set: Supreme Victors Type: Fire Rarity: Secret Rare Retreat cost: 1 [RRR] Hyper Flame (60) Flip a coin

Sacrifice Command Beacon: Put your commander into your hand from the command zone

Siren's Call [Limited Edition Alpha] OP04-EN002 That land is a SwampSet: Limited Edition Alpha 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.