Shambling Vent [Battle for Zendikar]Set: Battle for Zendikar Type: Land Rarity: Rare Shambling Vent enters the battlefield tapped. {T}: Add {W} or {B}. {1}{W}{B}: Shambling Vent becomes a 2 3 white and black Elemental creature with lifelink until end of turn. It's still a land.

incredible

target opponent mills five cards

Set: Sun & Moon: Ultra Prism Type: Dragon Rarity: Rare

Set: Team Rocket 1st Edition Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Set: HeartGold & SoulSilver: Unleashed Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

return target creature card with mana value 3 or less from your graveyard to the battlefield

Set: Eighth Edition Type: Creature — Kraken Rarity: Rare Cost: {5}{U}{U}{U} Tidal Kraken can't be blocked

prevent all but 1 of that damage

Set: Sword & Shield: Base Set Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Set: Sun & Moon: Lost Thunder Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

and on the battlefield

Whenever you cast an instant or sorcery spell from your library