Riftbound Unit: Disciple of Shen. [Hidden] (Hide now for [A] to react with later for [0].) I have [Shield 3] while I'm at a battlefield with exactly one other unit you control. (+3 [S] while I'm a defender.)
Riftbound Unit: Arachnoid Horror. [Hunt 2] (When I conquer or hold, gain 2 XP.) I can be played to an occupied battlefield if an enemy unit is alone there. Friendly units can be played to an occupied battlefield if an enemy unit is alone there.
Riftbound Gear: Ancient Henge. [T]: [Reaction] — Pay any amount of Energy to [Add] that much [A]. (Abilities that add resources can't be reacted to.)
Riftbound Unit: Viktor, Innovator. When you play a card on an opponent's turn, play a 1 [S] Recruit unit token in your base.