Hex Parasite
Artifact Creature — Phyrexian Insect
: Remove up to X counters from target permanent. For each counter removed this way, this creature gets +1/+0 until end of turn. ( can be paid with either 
or 2 life.)
Drawn by power, fueled by conquest.
Raymond Swanland
New Phyrexia (NPH)
• #137Rulings
You may choose a value for X that’s greater than the number of counters on the targeted permanent. However, Hex Parasite only gets the bonus for counters actually removed.
(wotc • 2011-06-01)
If the permanent has multiple kinds of counters, you choose how many of each to remove when the ability resolves.
(wotc • 2011-06-01)
Rulings
You may choose a value for X that’s greater than the number of counters on the targeted permanent. However, Hex Parasite only gets the bonus for counters actually removed.
(wotc • 2011-06-01)
If the permanent has multiple kinds of counters, you choose how many of each to remove when the ability resolves.
(wotc • 2011-06-01)