Cybermat

Artifact Creature — Robot - (uncommon)

Skulk (This creature can't be blocked by creatures with greater power.)
Whenever Cybermat attacks and isn't blocked, it gets +X/+0 until end of turn, where X is the number of attacking artifact creatures.

Price

tcgplayer 0.07

cardmarket 0.11

cardkingdom 0.35

cardsphere 0.13

manapool 0.15