Ancient Mew (1) (Movie Promo) [Miscellaneous Cards & Products] Will "The gods used their feathers

"The gods used their feathers to paint all the colors of the world

Set: Double Masters Type: Legendary Planeswalker — Jace Rarity: Mythic Cost: {2}{U}{U} +2: Look at the top card of target player's library

Set: Theros Beyond Death Promos Type: Legendary Artifact — Equipment Rarity: Rare Cost: {1} Equipped creature gets +1/+1 and has trample and lifelink

Set: Collectors’ Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Players can't untap more than one creature during their untap steps

and Y is half the number of Forests you control

Ancient Mew (1) (Movie Promo) [Miscellaneous Cards & Products] Will "The gods used their feathersSet: Miscellaneous Cards & Products Type: Psychic Rarity: Holo Rare Retreat cost: Colorless,Colorless