BrainLion, the Wild Majesty

Eminence — As long as BrainLion, Majesty of the
Wild is in the command zone or on the battlefield,
other Dragons, Cats, and Beasts you control get
+1/+1.

Flying, trample

Whenever BrainLion attacks, creatures that share
at least one creature type with it cost {1} less to cast
this turn.