Siren's Call [Beta Edition] Colorless [x2] bringing the divergent products of

bringing the divergent products of alternate pasts into the present

And keep them safe

we've just intercepted a transmission from the front

Set: Urza's Legacy Type: Legendary Creature — Elemental Rarity: Rare Cost: {4}{G}{G} Shroud (This creature can't be the target of spells or abilities

Siren's Call [Beta Edition] Colorless [x2] bringing the divergent products ofSet: 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.