Oubliette (Dark Mana Cost) [Arabian Nights]

Oubliette (Dark Mana Cost) [Arabian Nights]Set: Arabian Nights Type: Enchantment Rarity: Common Cost: {1}{B}{B} When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

Set: Judgment Type: Creature — Nightmare Fish Beast Rarity: Rare Cost: {3}{U}{U} When Wormfang Behemoth enters the battlefield

and heatstroke

You get an emblem with "You may cast spells from your hand without paying their mana costs

I would say burn it to the ground

Set: Homelands Type: Enchantment Rarity: Rare Cost: {2}{G}{G} At the beginning of each player's upkeep

Let me purge it for you

Set: Iconic Masters Type: Instant Rarity: Uncommon Cost: {5}{G}{G} Create a 4/4 green Beast creature token

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {4} {8}

Set: Dragon's Maze Type: Creature — Goblin Shaman Rarity: Uncommon Cost: {1}{R}{G} {3}: Feral Animist gets +X/+0 until end of turn

You won't know what you're missing

"We will grow an army large enough to withstand the Izzet's madness

Set: Kaladesh Type: Instant Rarity: Uncommon Cost: {3}{U} Scry 2