Terror of the Peaks [Core Set 2021 Prerelease Promos] Giant Warrior when a monster effect is

when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card

where X is the number of creature cards in your graveyard

then proliferate

except "Toon Dark Magician"

Set: Duel Terminal 1 Card type: Synchro/Effect Monster Rarity: Super Rare Attack: 2800 Defense: 2000 1 Tuner + 1 or more non-Tuner monsters When this card destroys an opponent's monster by battle and sends it to the Graveyard

Terror of the Peaks [Core Set 2021 Prerelease Promos] Giant Warrior when a monster effect isSet: Core Set 2021 Prerelease Promos Type: Creature Dragon Rarity: Mythic Cost: {3}{R}{R} Flying Spells your opponents cast that target Terror of the Peaks cost an additional 3 life to cast. Whenever another creature enters the battlefield under your control, Terror of the Peaks deals damage equal to that creature's power to any target.