Eri Johnson, The magnificent

your creatures in the hand, battlefield, library, graveyard, and/or exile are enchantments
in addition to their other types and your creature enchantments have Bestow.
The Bestow cost is equal to its mana cost.
Bestow costs you pay cost {1} less for each time
you've cast your commander from the command
zone this game.
"I will teach you what real magic is" - Johnson, Eri