This land enters tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

This land enters tapped. {T}: Add {R}. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

({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}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate only during your turn.

{T}: Add one mana of any color.

Anax's power is equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.) Whenever Anax or another nontoken creature you control dies, create a 1/1 red Satyr creature token with "This token can't block." If the creature had power 4 or greater, create two of those tokens instead.

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

Trample Whenever this creature attacks, you may cast target instant or sorcery card with mana value less than or equal to this creature's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Flash When this creature enters, copy target instant or sorcery spell. You may choose new targets for the copy.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

When this creature enters, create a 1/1 red Goblin creature token.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

{T}: Add {R}.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.

{T}: Add {C}.

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters or dies, create a 1/1 red Goblin creature token.

{T}: Add one mana of any color.

Flying {T}: Add one mana of any color.

When Pia Nalaar enters, create a 1/1 colorless Thopter artifact creature token with flying. {1}{R}: Target artifact creature gets +1/+0 until end of turn. {1}, Sacrifice an artifact: Target creature can't block this turn.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) {T}: Add {C}.

Whenever you cast a red spell, if this creature has fewer than three +1/+1 counters on it, put a +1/+1 counter on this creature. Remove three +1/+1 counters from this creature: Add {R}{R}{R}.

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

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 trample and gets +X/+0 until end of turn, where X is 1 plus the number of cards named Ancestral Anger in your graveyard. Draw a card.

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

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

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.

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.)

Create a 1/1 red Dinosaur creature token with haste and a 1/1 white Human Soldier creature token.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this token."

Create three 1/1 red Goblin creature tokens.

Add {R} for each card in your hand.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn. You may cast a spell with mana value 2 or less from your hand without paying its mana cost.

Put a +1/+1 counter on target creature. That creature gains haste until end of turn and can't be blocked by Walls this turn. Venture into the dungeon. (Enter the first room or advance to the next room.)

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."

Gain control of target creature until end of turn. Put a +1/+1 counter on it and untap it. That creature gains haste until end of turn. (It can attack and {T} this turn.)

Target creature gets +1/+1 and gains haste until end of turn. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

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.)

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.

Create a 1/1 red Satyr creature token with "This token can't block." Escape—{2}{R}, Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

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 target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.

Strive — This spell costs {2}{R} more to cast for each target beyond the first. Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.

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

Target attacking creature gets +X/+0 until end of turn. Draw a card at the beginning of the next turn's upkeep.

Add {R} for each creature you control.

Escalate {3} (Pay this cost for each mode chosen beyond the first.) Choose one or both — • Target creature gets +3/+0 until end of turn. • Target creature gains first strike until end of turn.

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.)

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.

Target creature gets +3/+2 until end of turn. Scry 1.

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

Choose one — • Destroy target artifact. • Target attacking creature gets +2/+2 until end of turn.

Target attacking creature gets +3/+3 and gains trample until end of turn.

Spawning Breath deals 1 damage to any target. Create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

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

Target creature gets +2/+0 and gains first strike until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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.