Desolation Angel (Invocation) [Amonkhet Invocations]Set: Amonkhet Invocations Type: Creature Angel Rarity: Mythic Cost: {3}{B}{B} Kicker {W}{W} (You may pay an additional {W}{W} as you cast this spell.) Flying When Desolation Angel enters the battlefield, destroy all lands you control. If it was kicked, destroy all lands instead.

instead it's turned face up and assigns or deals damage

If it's December

{T}: Target player mills two cards

Set: Dominaria Type: Legendary Artifact — Equipment Rarity: Rare Cost: {4} At the beginning of combat on your turn

Set: HeartGold & SoulSilver: Call of Legends Type: Metal Rarity: Holo Rare Retreat cost: Colorless

Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard

if you control at least five other Mountains

Set: Sun & Moon: Unified Minds Type: Dragon Rarity: Holo Rare Retreat cost: Colorless

Set: World Championships 2011 Type: Colorless Rarity: Rare

" —Nefarox

Set: POP Series 3 Type: Fire Rarity: Uncommon Retreat cost: Colorless

except its name is Sakashima the Impostor