Jaden Yuki & Yubel

: Each legendary creature card has Elemental Warrior offering. Jaden Yuki & Yubel enters the battlefield with twice X loyalty counters.
-X: Search your library for a legendary creature card with twice X converted mana cost or less, exile it. Until end of turn, you may cast that card.
: Jaden Yuki & Yubel can be your commander. Partner (You can have two commanders if both have partner.)