Valerie, Cult Infiltrator

Hexproof
At the beginning of your upkeep, place an infiltration counter on this card. Then, you can
return this card to your hand and play another 'Valerie' creature from your hand.
{t}: Target creature with power X or less gains unblockable this turn, where X is the number of infiltration counters on this card.
"I'm not lying; I'm acting." -Valerie Clementine