The Wandering Knight

Power of the Unknown-Colorless spells and artifact spells you cast cost {2} less to cast
Explore the Unknown-One per turn you may cast
a spell from any player's graveyard, the spell
becomes colorless, you may pay mana as if it
were mana of any color to cast that spell
Boon of the Unknown-Whenever you cast a
colorless spell, all colorless creatures you control
get +1/+1, then draw a card