Gauntlet of Might [Collectors' Edition] Copy target activated or triggered ability you control. You may choose new targets for the copy. Set: Dominaria United Promos Type:

Set: Dominaria United Promos Type: Creature — Ape Shaman Rarity: Mythic Cost: {2}{G}{G}{G} Whenever you cast a creature spell

Set: Mystery Booster 2 Type: Sorcery Rarity: Mythic Cost: {4}{U}{U} Each player shuffles their hand and graveyard into their library

but it is necessary

Set: Double Masters 2022 Type: Legendary Creature — Treefolk Shaman Rarity: Rare Cost: {W}{B}{G} Each creature assigns combat damage equal to its toughness rather than its power

you may copy that ability

Gauntlet of Might [Collectors' Edition] Copy target activated or triggered ability you control. You may choose new targets for the copy. Set: Dominaria United Promos Type:Set: Collectors' Edition Type: Artifact Rarity: Rare Cost: {4} Red creatures get +1 +1. Whenever a Mountain is tapped for mana, its controller adds an additional {R}.