Whenever a creature token leaves the battlefield, put a +1/+1 counter on Twilight Drover. {2}{W}, Remove a +1/+1 counter from Twilight Drover: Create two 1/1 white Spirit creature tokens with flying.
Colorless spells you cast cost {2} less to cast. [+1]: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. [–3]: Destroy target permanent that's one or more colors.
Enchant creature Enchanted creature gets +2/+2 and can't block. When Undying Rage is put into a graveyard from the battlefield, return Undying Rage to its owner's hand.
Haste At the beginning of your upkeep, exile the top card of your library. You may play it this turn. At the beginning of each opponent's upkeep, the next time they would draw a card this turn, instead they exile the top card of their library. They may play it this turn.
Kicker {8}{R} This spell can't be countered. Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.
Flying Whenever a creature dealt damage by Vampiric Dragon this turn dies, put a +1/+1 counter on Vampiric Dragon. {1}{R}: Vampiric Dragon deals 1 damage to target creature.