Eureka! (At the beginning of each end step, you get a research counter if you cast a spell this turn. Then if you have eight or more research counters, remove them and create a Masterpiece token of your choice.) When Bottled Lightning enters, it deals 3 damage to any target. Scry 1.
Gain control of target nonland permanent you don't control unless its controller has Bow or Burn deal X damage to them, where X is twice that permanent's mana value. If Bow or Burn was cast from a graveyard, repeat this process for each other nonland permanent they control. Flashback {6}{R}{R}
Brazen Sacrilege deals 2 damage to any target. Until end of turn, if a red source you control would deal damage to that player or to that permanent's controller, it deals that much damage plus 1 instead.
Foretell {1}{R}(During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) Brimstone Oration deals 2 damage to any target. If this spell was foretold, it deals 4 damage to any target instead.
Two target creatures you control each get +2/+1 until end of turn.
“I know better than to disregard your might.” “Speak for yourself, Asterius! I, for one, know only pure contempt for this foul daemon.” —Asterius the Bull and Theseus the Hero
Destroy target artifact. Reprise {R}(As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)
Choose target creature. Brutal Descent deals 2 damage to each creature other than the chosen creature. Ferocious — If the chosen creature has power 4 or greater, Brutal Descent deals 4 damage to each creature other than the chosen creature instead.
Fellor's are trained in most forms of combat, but close combat is their favorite, since facing their opponents face to face motivates them to fight harder.
Foretell {2}{R}{R}(During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) Choose one. If this spell was foretold, you may choose both instead — • Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one. • Bugrund's Gambit deals 4 damage to any target.
Burning Hatred deals 2 damage to any target. Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)
Vanishing 3 (This permanent enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) Whenever a time counter is removed from Burning Heels, exile the top card of your library. Until end of turn, you may play that card.