Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Target player draws four cards.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Counter target spell.

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.

Equipped creature has deathtouch and lifelink. (Any amount of damage it deals to a creature is enough to destroy it. Damage dealt by this creature also causes you to gain that much life.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Flip a coin. If you win the flip, destroy all nonland permanents.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

If you would flip a coin, instead flip two coins and ignore one.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped. {T}: Add {U} or {R}.

This land enters tapped. {T}: Add {U} or {R}. {4}, {T}: Scry 1.

You have no maximum hand size. {T}: Add {C}.

Counter target artifact or enchantment spell.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, untap another target creature you control.

Flash If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

For each blocking creature, flip a coin. If you win the flip, prevent all combat damage that would be dealt by that creature this turn.

Instant and sorcery spells you cast cost {1} less to cast.

At the beginning of your upkeep, create a colorless artifact token named Land Mine with "{R}, Sacrifice this token: This token deals 2 damage to target attacking creature without flying." Then flip a coin. If you lose the flip, this creature deals 2 damage to itself.

({T}: Add {U}.)

Counter target spell unless its controller pays {3}.

Counter target spell unless its controller pays {X}. Mindswipe deals X damage to that spell's controller.

({T}: Add {R}.)

Counter target noncreature spell.

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

Shock deals 2 damage to any target.

{2}, {T}: Flip a coin. If you win the flip, sacrifice this artifact and draw three cards.

Flying, trample Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard.

Whenever you cast a red spell or a Mountain you control enters, you gain 1 life.

Whenever you cast a blue spell or an Island you control enters, you gain 1 life.

Counter target spell. If you control a blue creature, draw a card, then discard a card.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

This creature enters with three +1/+1 counters on it. At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1/+1 counter on this creature. If you lose the flip, remove a +1/+1 counter from this creature.

Flying {0}: Flip a coin. If you win the flip, this creature phases out. If you lose the flip, sacrifice this creature. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

Cumulative upkeep—Flip a coin. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever you win a coin flip, this creature deals 1 damage to any target. Whenever you lose a coin flip, this creature deals 1 damage to any target of an opponent's choice.

Flying, haste Whenever an opponent casts their second spell each turn, draw a card. Partner (You can have two commanders if both have partner.)

Partner with Zndrsplt, Eye of Wisdom (When this creature enters, target player may put Zndrsplt into their hand from their library, then shuffle.) At the beginning of combat on your turn, flip a coin until you lose a flip. Whenever a player wins a coin flip, double Okaun's power and toughness until end of turn.

{1}: Flip a coin. If you win the flip, target Orc creature gets +2/+0 until end of turn. If you lose the flip, it gets -0/-2 until end of turn.

At the beginning of your upkeep, flip a coin. If you lose the flip, return this creature to its owner's hand.

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 this creature 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.

At the beginning of your upkeep, flip a coin. If you lose the flip, turn this creature face down. Morph {5}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever this creature attacks, flip a coin. If you win the flip, this creature gets +1/+1 and gains flying until end of turn.

Whenever you win a coin flip, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.") {1}, {T}, Sacrifice another permanent: Flip a coin.

When this creature enters, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.

{R}: Flip a coin. If you win the flip, return this creature to its owner's hand. If you lose the flip, sacrifice this creature.

When this creature enters, flip a coin. If you lose the flip, return this creature to its owner's hand.

Whenever you win a coin flip, put a luck counter on this enchantment. At the beginning of your upkeep, if this enchantment has ten or more luck counters on it, you win the game.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

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.

At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice this enchantment. Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell.

At the beginning of each player's upkeep, that player gains control of this enchantment. When you gain control of this enchantment from another player, choose a creature you control and an opponent. Flip a coin. If you lose the flip, that opponent gains control of that creature.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Flip a coin. If you win the flip, you gain 1 life and target opponent loses 1 life, and you decide whether to flip again. If you lose the flip, you lose 1 life and that opponent gains 1 life, and that player decides whether to flip again. Double the life stakes with each flip.

Each player hides at least one item, then all players reveal them simultaneously. Each player loses life equal to the number of items they revealed. The player who revealed the fewest items then loses half their life, rounded up. If two or more players are tied for fewest, each loses half their life, rounded up.

Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose a number. Flip a coin that many times or until you lose a flip, whichever comes first. If you win all the flips, draw two cards for each flip.

Flip a coin. If you win the flip, take an extra turn after this one.