Tainted Pact [Strixhaven: School of Mages Mystical Archive] Chest;Evo;Base Create a Ponder token under

Create a Ponder token under your control and an Inertia token under each opponent's control

Set: XY: BREAKthrough Type: Stadium Rarity: Promo

I like the sound of that

Set: World Championships 2016 Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

you may search your library for an Assembly-Worker creature card

Tainted Pact [Strixhaven: School of Mages Mystical Archive] Chest;Evo;Base Create a Ponder token underSet: Strixhaven: School of Mages Mystical Archive Type: Instant Rarity: Mythic Cost: {1}{B} Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.