Spark Double [War of the Spark] Ox You may put a green

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

Set: Ultimate Masters Type: Legendary Land Rarity: Rare Each land is a Swamp in addition to its other land types

Everybody knows that to ward off trouble

Set: Eldritch Moon Prerelease Promos Type: Creature — Eldrazi Horror Rarity: Rare Cost: {3} You may cast Eternal Scourge from exile

Set: Alpha Edition Type: Instant Rarity: Common Cost: {R} Lightning Bolt deals 3 damage to any target

Spark Double [War of the Spark] Ox You may put a greenSet: War of the Spark Type: Creature Illusion Rarity: Rare Cost: {3}{U} You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1 +1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary if that permanent is legendary.