Mastermind's Acquisition (Promo Pack) [Rivals of Ixalan Promos] Plant Wall each player exiles cards from

each player exiles cards from the top of their library until they exile a nonland card

Set: Masters 25 Type: Instant Rarity: Uncommon Cost: {R}{W} Choose one —

Set: March of the Machine Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {1}{G} If one or more +1/+1 counters would be put on an artifact or creature you control

You may reveal a creature card of the chosen type from among them and put it into your hand

Now it burns in my mind

Mastermind's Acquisition (Promo Pack) [Rivals of Ixalan Promos] Plant Wall each player exiles cards fromSet: Rivals of Ixalan Promos Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Choose one Search your library for a card, put it into your hand, then shuffle your library. Choose a card you own from outside the game and put it into your hand. Another piece of a nefarious puzzle.