Artifact Creature - Gnome (2/1)
~this~ enters the battlefield with a +1/+1 counter on it
Tap an untapped permanent you control, T, remove three +1/+1 counters from ~this~: ~this~ gains persist until end of turn
T: put a leak counter on target artifact
Each artifact with a leak counter on it gains ''Discard a card: you lose 1 life for each red creature spell with converted mana cost X or more, where X is the number of permanents on the battlefield cast this turn''

Converted mana cost: 2

---

AlexChurchill/TypeFourArtifactGenerator