Commander Masters

Flying {R}: This creature gets +1/+0 until end of turn.

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield, other Dragon spells you cast cost {1} less to cast. Flying Whenev...

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of your postcombat main phase, add {R} for each...