Call Up Emrakul to Help [Unknown Event] Legendary land a psyker learns to focus

a psyker learns to focus their mental strength through a psycho-reactive staff

If they're put on a player this way

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} At the beginning of your upkeep

The Red Dragon Inn: Allies is a series of expansions for any standalone The Red Dragon Inn game

Call Up Emrakul to Help [Unknown Event] Legendary land a psyker learns to focusSet: Unknown Event Type: Instant Rarity: Common Cost: {7} Kicker 6 (You may pay an additional 6 as you cast this spell.) Exile target nonland permanent. Create a 1 1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add C." If Call Up Emrakul to Help was kicked, instead create a token that's a copy of Emrakul, the Promised End.