Obsessive Skinner

Obsessive Skinner

Creature - Human Rogue | Power/Toughness: 1 / 1 (CMC 2)
When Obsessive Skinner enters the battlefield, put a +1/+1 counter on target creature.
Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, put a +1/+1 counter on target creature.