Riftbound Spell: Guerilla Warfare. Return up to two cards with [Hidden] from your trash to your hand. You can hide cards ignoring costs this turn.
Riftbound Spell: Siphon Power. [Reaction] (Play any time, even before spells and abilities resolve.) Choose a battlefield. Give friendly units there +1 [S] this turn and enemy units there -1 [S] this turn, to a minimum of 1 [S].
Riftbound Spell: Bullet Time. [Action] (Play on your turn or in showdowns.) Pay any amount of [C] to deal that much damage to all enemy units at a battlefield.
Riftbound Spell: Showstopper. Buff a friendly unit in your base, then move it to a battlefield. (If it doesn't have a buff, it gets a +1 [S] buff.)
Riftbound Unit: Annie, Fiery. Your spells and abilities deal 1 Bonus Damage. (Each instance of damage the spell deals is increased by 1.)
Riftbound Unit: Yi, Honed. [Ganking] (I can move from battlefield to battlefield.) I enter ready.
Riftbound Unit: Garen, Commander. Other friendly units have +1 [S] here.
Riftbound Unit: Lux, Crownguard. [T]: [Reaction] — [Add] [2]. Use only to play spells. (Abilities that add resources can't be reacted to.)
Riftbound Unit: Tibbers. When you play me, deal 3 to all units at battlefields.
Riftbound Spell: Highlander. [Reaction] (Play any time, even before spells and abilities resolve.) Choose a friendly unit. The next time it dies this turn, recall it exhausted instead. (Send it to base. This isn't a move.)
Riftbound Spell: Final Spark. [Action] (Play on your turn or in showdowns.) Deal 8 to a unit.
Riftbound Spell: Decisive Strike. [Action] (Play on your turn or in showdowns.) Give friendly units +2 [S] this turn.