Ref'Cho, Ancient Lord

+1: Target creature gets +1/+1, first strike, and flying until the end of turn
-2: Summon a 4/4 red dragon creature token with flying or summon 4 1/1 follower creature tokens
-X: Summon X 4/4 red dragon creature tokens with flying, then search your library for up to 2 elder dragon creatures. Place them on the battlefield.