Rooftop Storm [Innistrad]Set: Innistrad Type: Enchantment Rarity: Rare Cost: {5}{U} You may pay {0} rather than pay the mana cost for Zombie creature spells you cast. "Let those idiot priests tremble! A new era in unlife begins here and now. Oglor, raise the lightning vane!" Stitcher Geralf

Set: Team Rocket Unlimited Type: Trainer Rarity: Holo Rare

Set: World Championships 2011 Type: Colorless Rarity: Common Retreat cost: Colorless

destroy target creature defending player controls

and roasted prince our victory meal

Set: EX: Holon Phantoms Type: Fire

Set: Ice Age Type: Instant Rarity: Rare Cost: {2}{G}{G} Target creature can't be blocked this turn

Set: Kaladesh Type: Artifact Rarity: Rare Cost: {2} {T}

you'd need the energy of the giant's tonic

Set: World Championships 2004 Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: Scourge Type: Creature — Elf Rarity: Rare Cost: {3}{G}{G} Forests you control are 1/1 green Elf creatures that are still lands

Set: Sun & Moon: Unified Minds Type: Fighting Rarity: Uncommon Retreat cost: Colorless

Set: Dissension Type: Legendary Creature — Elf Wizard Rarity: Rare Cost: {3}{G}{U} Whenever you cast a green creature spell