Devimon [ST6-08] (Official Tournament Pack Vol. 7) [Starter Deck: Venomous Violet] LGS116 if Endless Maw is in

if Endless Maw is in your banished zone

Set: Commander Anthology Volume II Type: Legendary Creature — Spirit Rarity: Rare Cost: {5}{B}{B} Rat offering (You may cast this card any time you could cast an instant by sacrificing a Rat and paying the difference in mana costs between this and the sacrificed Rat

Set: Monarch Unlimited Edition: Unlimited Finish: Regular Type: Action Subtype: Attack Rarity: Rare Class: Generic Cost: 0 Power: 4 As an additional cost to play Seek Horizon

Set: Kamigawa: Neon Dynasty Type: Artifact — Equipment Rarity: Uncommon Cost: {2}{B} Equipped creature gets +4/+0

If they're put on a player this way

Devimon [ST6-08] (Official Tournament Pack Vol. 7) [Starter Deck: Venomous Violet] LGS116 if Endless Maw is inSet: Starter Deck: Venomous Violet Card type: Digimon Rarity: Promo Digi type: Fallen Angel Play Cost: 6 Form: Champion Attribute: Virus Digivolve Cost: 2 Digivolve Cost Level: 3 [Blocker] (When an opponent's Digimon attacks, you may suspend this Digimon to force the opponent to attack it instead.) {When Attacking] Lose 2 memory.