Siren's Call [Beta Edition] Angel {T}: Add {G}{G}

{T}: Add {G}{G}

Set: Ixalan Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {4}{W}{W} At the beginning of your upkeep

{T}: Tap target artifact

They become 6/6 Elemental creatures

Set: Zendikar Expeditions Type: Land Rarity: Mythic {T}: Add {C}

Siren's Call [Beta Edition] Angel {T}: Add {G}{G}Set: Beta 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.