Phyrexian Marauder

Artifact Creature — Phyrexian Construct - (rare)

Phyrexian Marauder enters the battlefield with X +1/+1 counters on it.
Phyrexian Marauder can't block.
Phyrexian Marauder can't attack unless you pay  for each +1/+1 counter on it.

Price

cardmarket 0.3

cardsphere 1.33

cardkingdom 0.59

tcgplayer 1.26