Phyrexian Marauder

Phyrexian Marauder

Artifact Creature - Phyrexian Construct (CMC 0)
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.