Sivitri, Dragon Master 43 (Commander: Dominaria United)

+1: Until your next turn, creatures can't attack you or planeswalkers you control unless their controller pays 2 life for each of those creatures. −3: Search your library for a Dragon card, reveal it, put it into your hand, then shuffle. −7: Destroy all non-Dragon creatures. Sivitri, Dragon Master can be your commander.

NM - $15.40
LP - $12.30
MP - $9.20
HP - $6.20
DMG - $3.10