Kaalia of the Vast (Oversized) [Commander 2011 Oversized] Archenemy Schemes you may put a charge

you may put a charge counter on Darksteel Reactor

but not for a way to control it

Set: Kaladesh Promos Type: Artifact Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

except it's an artifact in addition to its other types

Kaalia of the Vast (Oversized) [Commander 2011 Oversized] Archenemy Schemes you may put a chargeSet: Commander 2011 Oversized Type: Legendary Creature Human Cleric Mythic Cost: {1}{R}{W}{B} Flying Whenever Kaalia of the Vast attacks an opponent, you may put an Angel, Demon, or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent. "I'll have my revenge if I have to call on every force from above and below."