Siren's Call [Limited Edition Beta] Instant where X is that creature's

where X is that creature's power

can attack in a band

you may pay {1}

"While most overworlders fortunately don't realize this

among any of the creatures it's being blocked by or is blocking

Siren's Call [Limited Edition Beta] Instant where X is that creature'sSet: Limited Edition Beta 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.