msem-instigator

As an additional cost to cast this spell, discard a card.
Draw three cards.

(Add a quest counter as this enters. Sacrifice after 5.)
Whenever you cast a spell, add a quest counter.
1 — Discard a card. If you do, draw a card.
2, 3, 4 — Target opponent discards a card, then draws a card. If they discarded a card with greater mana value than each spell you control, remove a quest counter from Gambler's Tournament.
5 — Discard your hand, then draw seven cards.

Siphon (Each -1/-1 counter you put on your creatures up to their remaining toughness while casting this pays for {1}.)
Gamhaugen Burns deals 3 damage to any target.

(Transform this if it's not attached to a creature. Pay {R} as a sorcery to unattach it.)
Enchant creature you control
Gamhaugen War Swine's rider gets +1/+1 and has haste.

Creatures you control can't be blocked by creature tokens and/or creatures with defender.
At the beginning of your end step, if Garrison Intruder didn't attack this turn, transform it.

Whenever you cast a spell with mana value 5 or greater, create an X/1 red Mutant creature token with trample and haste, where X is that spell's mana value. Exile that token at the beginning of the next end step.

Motivate 3 (When this creature enters, you may motivate target creature with less power than this by putting three +1/+1 counters on it.)
When General Merthilios motivates a creature, that creature gains first strike, trample, and haste until end of turn.

This spell costs {1} less to cast for each enchantment you control.
Shuffle, then exile cards from the top of your library until you exile three nonland cards. Cast any number of spells from among cards exiled this way without paying their mana cost, then put the rest onto the bottom of your library in a random order.

Discard up to two cards, then draw that many cards.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

At the beginning of combat on your turn, you may exert an untapped creature you control with power 4 or greater. If you do, attach Giant's Blade to that creature. (An exerted creature won't untap during your next untap step.)
Equipped creature attacks each combat if able.
Equipped creature gets +2/+0 and has haste.
Equip {3}

Until end of turn, target creature you control gains “{T}: This creature deals 1 damage to any target.”
Draw a card.

As an additional cost to cast this spell, discard a card.
Draw two cards. Gift of the Phoenix deals 2 damage to you.

When Giku Weaponsmith enters, create two colorless Equipment artifact tokens with “Equipped creature gets +1/+1” and equip {1}.

Whenever you cast a spell, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Gilded Duo gets +2/+0 until end of turn.

Prowess
Gilded Gunman gets +1/+1 as long as you control an artifact.

Flying
Whenever Giradrus enters or attacks, look at the top eight cards of your library. You may put a Dragon card from among them onto the battlefield. If Giradrus is attacking, that Dragon enters tapped and attacking. Put the rest on the bottom of your library in any order.

Prowess
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Wither (This deals damage to creatures in the form of -1/-1 counters.)
Instant and sorcery spells you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

When Globule of Turmoil enters or leaves the battlefield, up to one target creature can't block this turn.
{2/R}, {T}, Sacrifice Globule of Turmoil: Draw a card.

Flying
{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only any time you could cast a sorcery.

Attacking creatures you control have first strike.
Whenever three or more creatures you control die, Glorysinger deals 4 damage to any target.

Prismatic — Whenever you cast a multicolored spell, you may discard a card. If you do, draw a card.

Go Out Guns Blazing deals 2 damage to target player or planeswalker.
Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Haste
Encourage ({T}: Another target creature you control gets +1/+1 until end of turn. Encourage only as a sorcery.)