Delirium — If a source you control would deal noncombat damage to a permanent or player while there are four or more card types among cards in your graveyard, it deals double that damage instead. When The Rollercrusher Ride enters, it deals X damage to each of up to X target creatures.
Flip a coin until you lose a flip or choose to stop flipping. If you lose a flip, Fiery Gambit has no effect. If you win one or more flips, Fiery Gambit deals 3 damage to target creature. If you win two or more flips, Fiery Gambit deals 6 damage to each opponent. If you win three or more flips, draw nine cards and untap all lands you control.
Remove Simian Spirit Guide in your hand from the game: Add R to your mana pool.
Flying Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever Scourge of the Throne attacks for the first time each turn, if it’s attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.
Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.
End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and “this turn” and “until end of turn” effects end.) At the beginning of your next end step, you lose the game.
Whenever a nontoken creature you control enters, flip a coin until you lose a flip. For each flip you won, create a token that’s a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
For each land you control, create a Treasure token. (It’s an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin. Remove three +1/+1 counters from Runaway Steam-Kin: Add {R}{R}{R}. 1/1
+2: Discard up to two cards, then draw that many cards. −2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield. −10: You get an emblem with “Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step.” Daretti, Scrap Savant can be your commander. Loyalty: 3
Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.
[+1]: Chandra Nalaar deals 1 damage to target player. [-X]: Chandra Nalaar deals X damage to target creature. [-8]: Chandra Nalaar deals 10 damage to target player and each creature he or she controls.
Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.
Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.