Killing Wave (Game Day) [Avacyn Restored Promos] Portal You may put a green

You may put a green permanent card with mana value X or less from among them onto the battlefield

−9: You get an emblem with "Your opponents can't cast noncreature spells

you may pay {3}

Set: Alpha Edition Type: Creature — Serpent Rarity: Common Cost: {5}{U} Sea Serpent can't attack unless defending player controls an Island

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: Rare Cost: {4}{R} When Dong Zhou

Killing Wave (Game Day) [Avacyn Restored Promos] Portal You may put a greenSet: Avacyn Restored Promos Type: Sorcery Rarity: Rare Cost: {X}{B} For each creature, its controller sacrifices it unless they pay X life.