Siren's Call [Beta Edition] Basic Set: Innistrad Type: Enchantment Rarity:

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

They're still lands

Set: San Diego Comic-Con 2015 Type: Legendary Creature — Elf Scout Rarity: Mythic Cost: {2}{G} When Nissa

{T}: Tap target artifact

If it's a land card

Siren's Call [Beta Edition] Basic Set: Innistrad Type: Enchantment Rarity: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.