Calan, Mistmeadow Champion

Heirloom (when this creature enters the battlefield
you may search your library for an Heirloom card,
reveal it, put it into your hand, then shuffle.)
When Calan, Mistmeadow Champion enters the battlefield, exile target enchantment or creature.
You may cast that card for as long as it remains exiled, and you may spend mana as though it
were mana of any type to cast that spell.
Partner (You can have two commanders if both have partner.)