Siren's Call [Limited Edition Beta] Incarnation that spell can't be countered

that spell can't be countered

then draws seven cards

As Steam Vents enters the battlefield

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

enchantments

Siren's Call [Limited Edition Beta] Incarnation that spell can't be counteredSet: 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.