Vesuvan Doppelganger (Oversized) [Oversize Cards] Prophecy Promos but the act of creation

but the act of creation is inviolate

Set: Modern Masters 2015 Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

Set: Commander 2018 Type: Enchantment Rarity: Rare Cost: {2}{U} You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control

When you remove the last counter from All Hallow’s Eve

Vesuvan Doppelganger (Oversized) [Oversize Cards] Prophecy Promos but the act of creationSet: Oversize Cards Rarity: Rare Upon summoning, Doppelganger acquires all normal characteristics (except color) of any one creature in play on either side; any enchantments on the original creature are not copied. During controllers upkeep, Doppelganger may take on the characteristics of a different creature in play instead. Doppelganger may continue to copy a creature even after that creature leaves play, but if it switches it wont be able to switch