Varina, Lich Queen (Retro Frame) [Secret Lair Drop Series] Dragon Avatar Set: Unlimited Edition Type: Land

Set: Unlimited Edition Type: Land — Forest Plains Rarity: Rare ({T}: Add {G} or {W}

(Whenever a Sliver deals combat damage to a player

Set: Year of the Ox 2021 Type: Legendary Creature — Minotaur Warrior Rarity: Mythic Cost: {4}{R}{R} Each creature you control gets +1/+0 for each time it has attacked this turn

Set: Secret Lair Drop Series Type: Creature — Human Cleric Rarity: Rare Cost: {W} {T}: Target creature you control gains protection from the color of your choice until end of turn

Shatterskull Pass is a pretty distant second

Varina, Lich Queen (Retro Frame) [Secret Lair Drop Series] Dragon Avatar Set: Unlimited Edition Type: LandSet: Secret Lair Drop Series Type: Legendary Creature Zombie Wizard Rarity: Mythic Cost: {1}{W}{U}{B} Whenever you attack with one or more Zombies, draw that many cards, then discard that many cards. You gain that much life. {2}, Exile two cards from your graveyard: Create a tapped 2 2 black Zombie creature token.