Vesuvan Doppelganger [Unlimited Edition] Aura Set: Core Set 2019 Type:

Set: Core Set 2019 Type: Legendary Planeswalker — Sarkhan Rarity: Mythic Cost: {1}{R}{R} +1: You may discard a card

Set: Limited Edition Beta Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands

This effect doesn't remove Green Ward

Which tell us the way to go

Whenever you cast a creature spell

Vesuvan Doppelganger [Unlimited Edition] Aura Set: Core Set 2019 Type:Set: Unlimited Edition Type: Creature Shapeshifter Rarity: Rare Cost: {3}{U}{U} You may have Vesuvan Doppelganger enter the battlefield as a copy of any creature on the battlefield, except it doesn't copy that creature's color and it has "At the beginning of your upkeep, you may have this creature become a copy of target creature, except it doesn't copy that creature's color and it has this ability."