Artifact Creature - Construct (CMC 0)
Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
, , Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target.
: Return Chamber Sentry from your graveyard to your hand.
- [JMP] Jumpstart #461 (R)
- [GRN] Guilds of Ravnica #232 (R)