Tainted Pact (Etched Foil) [Strixhaven Mystical Archive]Set: Strixhaven Mystical Archive Type: Instant Rarity: Mythic Cost: {1}{B} Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.

If you lose the flip

Set: Zendikar Expeditions Type: Land Rarity: Mythic {T}: Add {C}{C}

Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {1}{W}{B} Exile target nonland permanent

The Elves never had a standing army

if All Hallow's Eve is exiled with a scream counter on it

"Late Thaw"

Set: Legends Type: Sorcery Rarity: Rare Cost: {2}{B}{B}{B} Destroy all nonblack creatures

Whenever Uro enters the battlefield or attacks

it gets +2/+2 until end of turn for each creature blocking it beyond the first

Set: Commander's Arsenal Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice

Set: Grand Prix Promos Type: Artifact Rarity: Rare Cost: {0} Imprint — When Chrome Mox enters the battlefield

it assembles a Contraption