セイレーンの呼び声/Siren's Call

Instant -
Cast Siren's Call only during an opponent's turn, before attackers are declared. <CR>
Creatures the active player controls attack this turn if able. <CR>
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.

Instant -
Cast this spell only during an opponent's turn, before attackers are declared. <CR>
Creatures the active player controls attack this turn if able. <CR>
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.

Instant -
Play Siren's Call only during an opponent's turn and only before attackers are declared. <CR>
Creatures the active player controls attack this turn if able. <CR>
At end of turn, 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.

Instant -
Cast Siren's Call only during an opponent's turn, before attackers are declared. <CR>
Creatures the active player controls attack this turn if able. <CR>
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.

Instant -
Play only during an opponent's turn and only before attackers are declared. <CR>
Creatures the active player controls attack this turn if able. <CR>
At end of turn, 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.

Instant -
Play Siren's Call only during an opponent's turn and only before attackers are declared. <CR>
Creatures the active player controls attack this turn if able. <CR>
At end of turn, 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.