Siren's Call [Beta Edition] Black Set: Commander's Arsenal Type: Enchantment

Set: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

a creature

draw four cards

it creates twice that many of those tokens instead

By appearing in places miles apart at the same time

Siren's Call [Beta Edition] Black Set: Commander's Arsenal Type: EnchantmentSet: 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.