Siren's Call (LEB-078) - Limited Edition Beta Commander Whenever a creature deals damage

Whenever a creature deals damage to you

Mishra also mastered the intricacies of artifice

it creates twice that many of those tokens instead

Card TypeLegendary Creature — Elf Scout // Legendary Planeswalker — Nissa

Siren's Call (LEB-078) - Limited Edition Beta Commander Whenever a creature deals damageSet: 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.