Siren's Call [Limited Edition Alpha] SPA Sapo de la morgue You may cast that card

You may cast that card without paying its mana cost

Set: Signature Spellbook: Jace Type: Instant Rare Cost: {U}{U} Counter target spell

but because they were always eager for a fight

Tezzeret Type: Creature — Kithkin Soldier Common Cost: {W} First strike Reinforce 1—{1}{W} ({1}{W}

foolishly lost the city of Jieting

Siren's Call [Limited Edition Alpha] SPA Sapo de la morgue You may cast that cardSet: Limited Edition Alpha Type: Instant 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.