Sinclair, LCB Sinner

When Sinclair enters the battlefield, search your graveyard, hand, and library for a card named Branch of Knowledge, put it onto the battlefield, then shuffle.
Unstable Survival — At the beginning of your second main phase, if Sinclair is tapped and you control a card named Branch of Knowledge, make a token copy of Branch of Knowledge, except it isn't legendary.

Choose a Background.