Destroy target artifact or land.
Flashback {4}{R}{R}

[+1]: Crux deals 1 damage to target player or planeswalker. Put a chain counter on up to one target artifact or nonbasic land. It loses all abilities except mana abilities as long as it has a chain counter on it.
[–2]: Discard a card. When you do, Crux deals damage equal to the discarded card's mana value to up to one target creature and you draw a card.
[–6]: Exile target red instant or sorcery card from your graveyard. Add {R}{R}{R}, then you get an emblem with “You may cast copies of the exiled card.”

Exile all creatures and all cards from each player's hand. Any player may play those cards during their turn for as long as they remain exiled, and mana of any type can be spent to cast those spells.
Exile Dawn of Peace.

You may choose this spell's targets at random. If you do, it costs {2} less to cast.
Return target instant or sorcery card from your graveyard to your hand.
Flashback {6}{R}

Equipped creature gets +2/+0.
Whenever equipped creature attacks, make a pledge.
Equip {3}

When Desolate Lands enters and whenever you cast a spell, it deals 3 damage to target opponent unless they sacrifice a permanent.

Defender
Whenever you cast an instant or sorcery spell, Dormant Slagheap loses defender until end of turn. If that spell was cast from your graveyard, put a +1/+1 counter on Dormant Slagheap.

Whenever you attack, put a beat counter on Double-Time Drums, then equipped creature gets +2/+1 until end of turn for each counter on Double-Time Drums.
At the beginning of your end step, if you didn't attack this turn, remove all beat counters from Double-Time Drums.
Equip {2}

Target creature gets +2/+0 and gains first strike until end of turn. If it's a Dragon, put a +1/+1 counter on it.

Create two 1/1 colorless Thopter artifact creature tokens with flying, then each Thopter you control deals 1 damage to each opponent.

Flying
Amity — Whenever you attack with Dustwing Moth and exactly one other creature, Dustwing Moth deals 2 damage to any target.

Flying
Amity — Whenever you attack with Earthbreaker Dragon and exactly one other creature, Earthbreaker Dragon deals 1 damage to each of up to two target creatures without flying.

Create a Solidarity token. When you do, pay for and choose any number.
+{R} — Edgeland Pledge deals 2 damage to any target.
+{U} — Tap up to three target creatures.
+{G} — Create a 1/1 red Soldier creature token. It gains haste until end of turn.

Landfall — Whenever a land you control enters, Eerie Sculpture deals 1 damage to target player or planeswalker.

Haste
Whenever you cast a spell that targets Efimia of the Horse, create a 1/1 white Human creature token if this is the first time this ability has resolved this turn. If it's the second time, creatures you control get +1/+0 and gain haste until end of turn. If it's the third time, creatures you control gain menace until end of turn.

When Eidolon of Empty Thoughts dies, create a Treasure token.
{6}: Create a 2/1 red Soldier creature token. Activate only as a sorcery and only if your devotion to red is three or more.

When Elderflame Pilgrims enters, it deals 2 damage to target player or planeswalker.
Wander {5}{R}

Choose one —
• Elektes's Charge deals 2 damage to each creature that's not enchanted.
• Up to two target creatures you control each get +2/+0 and gain trample until end of turn.

Whenever you amp it up, target creature can't block this turn.

Whenever you amp it up, creatures you control get +1/+0 until end of turn.

This spell can't be countered.
First strike, haste
Whenever an opponent casts a spell during your turn, End of Mutations deals 5 damage to them.

Enchant creature
When Enter the Moshpit enters, create a 2/1 red Zombie creature token with menace.
Enchanted creature gets +2/+1 and has menace.

Target creature gets +X/+0 and gains trample until end of turn.
Draw a card.

{1}{R}: Erupting Volcamel and up to one other target creature you control get +2/+0 until end of turn.
Whenever you activate a nonmana ability, if you've spent at least six mana to activate nonmana abilities this turn, Erupting Volcamel deals 2 damage to any target.

{3}{R}: Exile the top card of your library. You may play that card until the end of your next turn.
{7}{R}: Exotic Transformer deals damage equal to its power to any target.