Riftbound Battlefield: Forgotten Library. While you control this battlefield, when you play a spell, if you spent [4] or more, [Predict]. (Look at the top card of your Main Deck. You may recycle it.)
Riftbound Unit: Pit Crew. When you play a gear, ready me.
Riftbound Battlefield: Obelisk of Power. At the start of each player's first Beginning Phase, that player channels 1 rune.