Siren's Call [Alpha Edition] Giant sacrifice it unless you discard

sacrifice it unless you discard a card at random

return that creature to its owner's hand at end of combat

{G}: Thornling gains indestructible until end of turn

Set: Urza's Saga Type: Sorcery Rarity: Rare Cost: {2}{U} Each player may put an artifact

Siren's Call [Alpha Edition] Giant sacrifice it unless you discardSet: 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.