Aether Mutation [Apocalypse]

Aether Mutation [Apocalypse]Set: Apocalypse Type: Sorcery Rarity: Uncommon Cost: {3}{G}{U} Return target creature to its owner's hand. Create X 1 1 green Saproling creature tokens, where X is that creature's mana value.

A numbered series of 500 copies of this card was found within the The Brothers' War Collector Booster product

Set: Arena League 2001 Type: Instant Rarity: Rare Cost: {1}{B} Target player sacrifices a creature

where X is a number in the sacrificed creature's text box

"You will learn to earn death

Set: Expedition: Base Set Type: Colorless Rarity: Common Retreat cost: Colorless

Set: Sun & Moon: Unbroken Bonds Type: Fire Rarity: Common Retreat cost: Colorless

Set: Ravnica Allegiance Type: Instant Rarity: Uncommon Cost: {5}{R} Flames of the Raze-Boar deals 4 damage to target creature an opponent controls

but it's far from benign

That gives you an idea

Set: Zendikar Rising Type: Sorcery // Land Rarity: Mythic Cost: {4}{G}{G}{G} Look at the top seven cards of your library

Set: Ultimate Masters Type: Creature — Djinn Monk Rarity: Common Cost: {4}{U} Hexproof (This creature can't be the target of spells or abilities your opponents control

I'd eat and breathe it if I could