Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets +3/+3 until end of turn.

Target creature gets +3/+1 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Target creature gets +3/+0 and gains haste until end of turn. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Strive — This spell costs {2}{R} more to cast for each target beyond the first. Any number of target creatures each get +2/+0 and gain trample until end of turn.

Target creature gets +2/+1 and gains trample until end of turn.

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Target creature gains double strike until end of turn. Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Add {R} for each creature you control.

Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Add {R} for each attacking creature you control. Until end of turn, attacking creatures you control gain "{R}: This creature gets +1/+0 until end of turn."

{T}: Add {C}. ({C} represents colorless mana.)

{T}: Add {R}.

{T}: Add {C}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{T}: Add {C}{C}.

Red spells you cast cost {1} less to cast.

{T}: Add one mana of any color. {T}: Target creature becomes the color or colors of your choice until end of turn.

Add {R}{R}{R}{R}{R}.

When this creature enters, create two 1/1 red Goblin creature tokens.

Create two 1/1 red Goblin creature tokens.

Create two 1/1 red Goblin creature tokens. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

When this creature enters, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying. (A creature with flying can't be blocked except by creatures with flying or reach.)

Create four 1/1 red Goblin creature tokens.

Whenever you cast a noncreature spell, you may pay {1}. If you do, create a 1/1 red Goblin creature token with haste.

Create three 1/1 red Goblin creature tokens.

As an additional cost to cast this spell, sacrifice an artifact. Create three 1/1 red Goblin creature tokens.

Make Mischief deals 1 damage to any target. Create a 1/1 red Devil creature token. It has "When this token dies, it deals 1 damage to any target."

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.

When Pia and Kiran Nalaar enters, create two 1/1 colorless Thopter artifact creature tokens with flying. {2}{R}, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to any target.

When this creature enters, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: This creature deals 2 damage to any target.

Create three 1/1 red Human creature tokens with haste. Sacrifice those tokens at the beginning of the next end step.

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying. Artifact creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Target creature gains haste until end of turn. Draw a card.

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Target creature gains haste until end of turn. Draw a card.

Draw a card. Until end of turn, target creature gains trample and gets +1/+0 for each card you've drawn this turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Cast this spell only during combat before blockers are declared. Target creature can't block this turn. Draw a card at the beginning of the next turn's upkeep.

Target creature can't block this turn. Draw a card.

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn. Draw a card.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

({T}: Add {R}.) This land enters tapped unless you control three or more other Mountains. When this land enters untapped, create a 1/1 red Dwarf creature token.

{T}: Add {C}. {5}, {T}, Sacrifice this land: Create two 1/1 colorless Thopter artifact creature tokens with flying.

{T}: Add {C}. {T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

This land enters tapped. {T}: Add {C}. {2}{C}, {T}, Sacrifice this land: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}{C}, {T}, Sacrifice this land: Create a token that's a copy of target creature you control.

({T}: Add {R}.)

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

Flying Whenever a player casts an instant or sorcery spell that targets only this creature, that player copies that spell for each other creature they control that the spell could target. Each copy targets a different one of those creatures.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Target creature gets +1/+0 until end of turn. When that creature dies this turn, create a 3/2 colorless Eldrazi Horror creature token.

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Target creature you control deals damage equal to its power to another target creature.

Choose one — • Destroy target artifact. • Target creature gets +1/+1 and gains trample until end of turn. • Remove two time counters from target permanent or suspended card.

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")