Pickle Rick

Creature toughness is equal to level
{t}, Add {1} to your mana pool
{x}, level up (X equals Current level +1)
Level 1: This Creature Cannot do Anything
(Including Tap)
Level 2: This Creature Can Only Tap
Level 3: This Creature Can only Tap and Defend
Level 4:This Creature Cannot Equip Equipment
Level 5: You may cast Artifacts from your
graveyard for double the mana cost