Pongify [Planar Chaos]Set: Planar Chaos Type: Instant Rarity: Uncommon Cost: {U} Destroy target creature. It can't be regenerated. Its controller creates a 3 3 green Ape creature token. Some spellcrafting mistakes go on to become spells of their own.

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{G}{G}{W}{W}{U}{U} Flying

Set: Commander 2015 Type: Instant Rarity: Rare Cost: {3}{B}{B} Choose three

Dethrone (Whenever this creature attacks the player with the most life or tied for most life

Other Soldier creatures you control get +1/+1 and have vigilance

Oran-Rief survivalist

Set: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {1}{W}{B} Destroy target permanent

rivers boiled

Set: Dark Ascension Type: Artifact Rarity: Rare Cost: {3} Whenever a creature you control dies

now you're gone

(If it does

Set: EX: Dragon Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Odyssey Type: Enchantment Rarity: Rare Cost: {R} Sacrifice a land: Target creature gains haste until end of turn