msem-instigator

Whenever you cast a noncreature spell, Dynamic Wyvern gains flying until end of turn.

Haste
Whenever Eager Guide attacks, tap up to two target creatures you don't control.

Enchant creature
Enchanted creature gets +1/+1 for each land your team controls.

Each land doesn't untap during its controller's next untap step.

First strike
{1}{R}, Discard a card: East Ward Forgetender gets +2/+0 until end of turn.

Prowess
Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Echoing Thunder deals 3 damage to target creature and all other creatures with the same name as that creature.

{2}{R}, Sacrifice an artifact or land: Draw a card. Edelber Mine Captain deals 1 damage to each opponent.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead, except the additional tokens are named Ingenious Idea.
At the beginning of your end step, exile each token you control named Ingenious Idea.

Haste
When Efreetspeaker dies, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Your opponents can't gain life.
Whenever you cast a noncreature spell, put a +1/+1 counter on Eidolon of the Arena.

Whenever Hatsuo attacks, if you control three or more attacking creatures, attacking creatures you control gain first strike until end of turn.
Inspired — Whenever Hatsuo becomes untapped, create a 1/1 white Warrior creature token. It gains haste and attacks this turn if able.

Electrical Eradication deals 3 damage to each nonlegendary creature. Then if you controlled a red legendary creature or planeswalker as you cast this spell, it deals 3 damage to each nonlegendary creature and each opponent.

Electrokinetic's Bolt deals 3 damage to target creature or planeswalker.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Electrokinetic's Bolt deals 3 damage to that permanent's controller.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may have Elegant Fireslinger deal 1 damage to target creature.

Elegant Strike deals 2 damage to target tapped creature. Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

When Elemental Loremaster enters, return an instant or sorcery card at random from your graveyard to your hand.

Flash
Creatures you control that have entered this turn get +1/+1 and have haste and first strike.

Reach
Whenever Elemental of Vengeance is dealt damage, it deals damage equal to its power to any target.

Create three tapped colorless Powercell artifact tokens with “{T}: Add {C}.” Then untap all artifacts you control. At the beginning of the next end step, sacrifice three artifacts.

During each of your turns, you may cast a card with a cycling ability from your graveyard by discarding a card in addition to paying its other costs. If that spell would be put into your graveyard, exile it instead.
Cycling {2} ({2}, Discard this card: Draw a card.)

Defiance (Whenever this creature takes damage, if it survives and wasn't defiant, put a +1/+1 counter on it and it becomes defiant.)
At the beginning of your upkeep, if Elvish Songseeker has a +1/+1 counter on it, exile the top card of your library. Until your next turn, you may play that card.

Ember Salvo deals 1 damage to target creature and 1 damage to its controller.

Haste
At the beginning of your upkeep, sacrifice Ember of Ancient Infernos unless you pay {R}.

Prowess, haste
When Embercore Grazer enters, add {R}{R}{R}. Spend this mana only to cast instant and/or sorcery spells.