DR-AX,The Branching Catalyst

Menace

Whenever one or more creatures you control get ability counters or +1/+1, put a +1/+1 counter on
DR-AX.
At the beginning of combat on your turn, you may move
any number of +1/+1 counters from other creatures you control onto DR-AX, or from DR-AX onto other creatures.

“It grows with the swarm. And when it gets too big… it starts spreading the excess.”