msem-instigator

You may put a creature or land card from your hand onto the battlefield. Then each opponent may put a permanent card from their hand onto the battlefield. If one does, you may repeat this process.

Forest Fire deals 4 damage to target creature or planeswalker. (Then exile this card. You may cast the creature later from exile.)

{W}, Exile Foretold Cataclysm from your hand: Exile target creature you control until the end of your next turn. You may cast Foretold Cataclysm from exile during your next turn. Activate only as a sorcery.
Destroy all creatures.

Target creature gets +2/+2 until end of turn. If you cast this spell from exile, that creature gets +4/+4 and gains trample until end of turn instead.
Prophecy {G} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Search your library for two land cards and reveal them. If you attacked this turn, put them onto the battlefield tapped. Otherwise, put them into your hand. Then shuffle.

Choose one —
• Forge Trick deals 3 damage to target creature.
• Target creature gets +3/+0 until end of turn.

Up to two target creatures each get +1/+0 until end of turn. Put a first strike counter on each of them.

Whenever you cast an artifact spell, create a 1/1 colorless Construct artifact creature token.

Choose one —
• Forgemaster's Charm deals X damage to target creature.
• Destroy X target artifacts.
• Create an X/X colorless Juggernaut artifact creature token.

Search your library for an Equipment card, reveal it, put it into your hand, then shuffle.

Counter target spell unless its controller pays {4}.

For each creature you don't control, create a token that's a copy of that creature.
Destroy all creatures.

Equipped creature has first strike.
{R}: Equipped creature gets +1/+0 until end of turn.
Equip {2}

{1}: Exile target card from a graveyard. That card's owner may scry 1.

Forgotten Attic enters tapped.
When Forgotten Attic enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {U} or {B}.

Forgotten Consequences deals 2 damage to target attacking or blocking creature.

Forgotten Cryovault enters tapped unless you have two or more opponents.
{T}: Add {U} or {B}.

{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast spells from your graveyard.

Reveal the bottom card of your library. You may put it on top of your library. Target creature gets -0/-X until end of turn, where X is that card's mana value.

{T}: Add {C}.
{1}, {T}, Sacrifice a creature: Create a 1/1 colorless Spirit creature token.

Put target land card from a graveyard onto the battlefield under your control.

As Forgotten Idol enters, choose a card name.
Spells with the chosen name can't be cast.
{2}, Exile a card with the chosen name from your hand: Exile Forgotten Idol, then each player draws a card. Any player may activate this ability.

Whenever Forgotten King's Mask enters or equipped creature dies, attach it to target creature you control.
Equipped creature has base power and toughness 5/5 and is a Noble in addition to its other types.
{1}{R}, Discard two cards: Create a 1/1 white Human creature token and attach Forgotten King's Mask to it. Activate only as a sorcery.

Search your library for a creature card, an instant card and a sorcery card and reveal them. Put one of those cards into your hand, exile the rest, then shuffle.

Codex — Majestic Dominion; Pristine Dominion; Verdant Dominion; Stalwart Dominion; Primal Dominion; Rugged Dominion; Into the Woods. (As this enters, conjure its contents into a shuffled face-up additional library.)
Before you explore this library, you may put a card from the codex's library on top of it.
{3}{G}: Target creature you control explores.