msem-instigator

Equipped creature gets +1/+0 and has menace.
Equip {1}

Until end of turn, whenever you cast an instant or sorcery spell, you may discard a card. If you do, draw a card.

Creatures you control get +2/+0 until end of turn. Scouts you control gain trample until end of turn.

Whenever you play a land, you may put a land card from your hand onto the battlefield tapped.

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

Other Elves you control get +1/+1.
Whenever another Scout you control deals combat damage to a player, you may reveal the top card of your library. If it's a land card, put it onto the battlefield tapped.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

When Expedition Outfitter enters, create a 1/1 colorless Servo artifact creature token.
At the beginning of each end step, if an artifact was put into your graveyard from the battlefield this turn, Expedition Outfitter deals 1 damage to each opponent.

When Expedition Post enters, create a 1/1 Scout creature token that's all colors.
Creature tokens you control are every creature type.
{4}, {T}: Create a 1/1 Scout creature token that's all colors.

Cycling {3} ({3}, Discard this card: Draw a card.)

When Expensive Tutor enters, tap target land. It doesn't untap during its controller's next untap step.

Equipped creature gets +2/+2 and has double strike and trample.
Equip {5}

Mill two cards, then you may return a permanent card that was put into your graveyard from anywhere this turn to your hand.

Advance costs you pay cost {1} less.
You may activate advance abilities of permanents you control any time you could cast an instant.

{2}, {T}: Choose a permanent you control. Reveal the top five cards of your library. You may merge one of those cards that shares a card type with the chosen permanent under it. It has those card's abilities. Put the rest on the bottom of your library in any order.

Vanguard — Whenever a creature you control attacks alone, you may put a charge counter on Expert Belt and attach it to that creature.
Equipped creature has hexproof.
Equipped creature gets +1/+0 for each charge counter on Expert Belt.
Equip {2}

You may play an additional land this turn.
Draw a card.

When Explorer's Torch enters, draw a card.
Equipped creature gets +1/+1.
Equip {1}

Each player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

Explosion Fanatic can't attack unless an opponent was dealt damage this turn.

Explosive Implant deals 4 damage to target creature and 2 damage to that creature's controller.

This spell costs {2} less to cast if you control an Azra or Demon.
Target creature you control gets +4/+4 and gains trample until end of turn.

Whenever you cast your second spell each turn, Expressive Performer deals 1 damage to each opponent.
{3}{R}, {T}, Exert Expressive Performer: It deals 2 damage to each player. (An exerted creature won't untap during your next untap step.)

Expunge the Terrors deals X damage to target creature or planeswalker.
Madness—{1}{R}, Exile X cards from your graveyard. (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Target creature you control gets +1/+0 until end of turn if you're in a renaissance. Then that creature deals damage equal to its power to target creature you don't control.