Siren's Call [Limited Edition Beta] WTR122-S ) If Endless Arrow hits

) If Endless Arrow hits

) When you pitch Arknight Shard

Set: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with mana value X or less

When New Horizon is destroyed

you may destroy Ebon Fold instead

Siren's Call [Limited Edition Beta] WTR122-S ) If Endless Arrow hitsSet: Limited Edition Beta 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.