Siren's Call [Beta Edition] SM94 Set: Sun & Moon: Lost

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Promo Retreat cost: 1

"UFOroid" + 1 Warrior-Type monster - A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters

The Izzet specialize in unnatural disaster

Set: Sword & Shield: Black Star Promos Type: Darkness Rarity: Promo Retreat cost: 2

The "Sheep Tokens" cannot be used as a Tribute for a Tribute Summon

Siren's Call [Beta Edition] SM94 Set: Sun & Moon: LostSet: Beta 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.