Bibimi, Excerpt Reciter

Covet Instant (At the start of the game if this is
your Commander you may chose one Instant card in
your library and exile it. It has Coveted for the rest of
the game. When you cast this you may put cards
exiled this way into your hand.)
At the beginning of your upkeep return target
Instant with Coveted from the graveyard to
your hand.