Name: Clockwork Swarm Cost: 4 CMC: 4 Color: CID: Type: Artifact Creature -- Insect Pow/Tgh: 0/3 Rules Text: This creature enters with four +1/+0 counters on it. This creature can't be blocked by Walls. At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than four. Activate only during your upkeep. Set/Rarity: Homelands common, Masters Edition IV common Legality: Legal in premodern, Legal in pauper, Legal in commander, Legal in predh, Legal in vintage, Legal in paupercommander, Legal in duel, Legal in legacy, Legal in penny, Legal in oathbreaker Price: $0.21