Riftbound Unit: Rengar, Trophy Hunter. [Ambush] (You may play me as a [Reaction] to a battlefield where you have units.) I can be played to a battlefield where there are enemy units (even if you don't have units there).
Riftbound Legend: Bloodharbor Ripper. [1], [T]: Return a friendly unit at a battlefield to its owner's hand. Play a Gold gear token exhausted. (It has "[Reaction][>] Kill this, [T]: [Add] [A].")
Riftbound Legend: Void Burrower. When you conquer, you may exhaust me to reveal the top 2 cards of your Main Deck. You may banish one, then play it. Recycle the rest.
Riftbound Legend: Unforgiven. [2], [T]: Move a friendly unit to or from its base.
Riftbound Legend: Unforgiven. [2], [T]: Move a friendly unit to or from its base.