Ryze, the Rune Mage

Ryze, the Rune Mage enters the battlefield with
a 1/1 counter on him.
Arcane Mastery — {u}: Put a 1/1 counter on this
creature.
{t}: Remove a counter from this creature, add
one mana of any color. Untap this creature.
"Take care with this world. What is made can be
unmade."