Jace, Unraveler of Secrets [Shadows over Innistrad Prerelease Promos] Planechase If those permanents are exchanged

If those permanents are exchanged this way

Set: Beta Edition Type: Enchantment Rarity: Uncommon Cost: {G}{G} {G}{G}: Counter target black spell

Set: Alpha Edition Type: Creature — Nymph Dryad Rarity: Common Cost: {G} Forestwalk (This creature can't be blocked as long as defending player controls a Forest

(Exile the spell as it resolves

Jace, Unraveler of Secrets [Shadows over Innistrad Prerelease Promos] Planechase If those permanents are exchangedSet: Shadows over Innistrad Prerelease Promos Type: Legendary Planeswalker Jace Rarity: Mythic Cost: {3}{U}{U} +1: Scry 1, then draw a card. 2: Return target creature to its owner's hand. 8: You get an emblem with "Whenever an opponent casts their first spell each turn, counter that spell."