Siren's Call [Limited Edition Beta] Duel As the green sun crowned

As the green sun crowned

using their libraries as their decks

then sacrifices the rest

destroy all non-Wall creatures that player controls that didn't attack this turn

{T}: Tap target artifact

Siren's Call [Limited Edition Beta] Duel As the green sun crownedSet: 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.