Siren's Call [Alpha Edition] Imp {2}{R}: Creatures you control get

{2}{R}: Creatures you control get +1/+0 until end of turn

In Gideon's hands

Set: Beta Edition Type: Enchantment — Aura Rarity: Rare Cost: {W}{W}{W} Enchant land

warden of Gramur forest

Set: Fifth Edition Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

Siren's Call [Alpha Edition] Imp {2}{R}: Creatures you control getSet: Alpha 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.