Harrow, Ninth Necromancer

Partner with Gideon, Ninth Cavalier (When this creature enters the battlefied, target player may put Gideon into their hand from their library, then shuffle.)

Skeleton spells you cast cost {1} less to cast.

Whenever a nontoken creature you control attacks, you may pay 1 life. If you do, create two 1/1 black Skeleton creature tokens that are tapped and attacking.
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"Death first to vultures and scavengers."