msem-instigator

Creature tokens you control get +1/+0.

{T}, Sacrifice a creature or land: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.

Return up to two target creature cards from your graveyard to your hand.

Menace
Whenever Aswaran Conquerer attacks, you may sacrifice a nonland permanent. If you do, creatures you control get +1/+1 and gain trample until end of turn.

Target player sacrifices a creature.
Monument {4}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Flying, lifelink
Whenever another creature you control attacks, until end of turn, that creature gets +2/+0 if it's red, +0/+2 if it's green, gains lifelink if it's white, and gains flying it if it's blue.

Each player loses 3 life, then discards a card, then sacrifices a creature, an enchantment, a land, a planeswalker and a token. Then exile all graveyards.

Whenever a creature you control deals combat damage to a player this turn, add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

Create a 1/1 blue Advisor creature token.
Draw a card.

Siphon (Each -1/-1 counter you put on your creatures up to their remaining toughness while casting this pays for {1}.)
Bloodfall deals 8 damage divided as you choose among up to eight targets. If you spent exactly {R} for this spell's mana payment, it deals 8 damage to each of those targets instead.

{T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

You have no maximum hand size.
Whenever a player casts a spell, put a +1/+1 counter on Humar.
At the beginning of your upkeep, target player draws cards equal to Humar's power.

Create a 2/2 red Dragon creature token with flying and haste.
Whenever a nontoken Dragon you control attacks, you may return Flynn's Wonder from your graveyard to your hand.

Draw three cards. Discard two cards at the beginning of the next end step.

At the beginning of combat on your turn, you lose 1 life and rouse 1. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)

As an additional cost to cast this spell, discard a card.
Draw two cards and crystallize twice. (Put a +1/+1 counter on a creature you control or create a Treasure. Then do it again.)

(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.

Enchant creature
Enchanted creature has first strike. (That creature deals combat damage before creatures without first strike.)

Indestructible
As long as your devotion to red and green is less than seven, Klothys isn't a creature.
Spells you cast can't be countered.
At the beginning of combat on your turn, you may have another target creature you control assign its combat damage this turn as though it weren't blocked.

{T}: Untap target basic land.

For any number of permanent types, you may exchange control of two target permanents that share that type.

{T}, Sacrifice Aether Gateway: Create a tapped Plains token, Island token, Swamp token, Mountain token, or Forest token.

Whenever another creature you control enters, you may change Declan, Wayward Squire's base power and toughness to that creature's power and toughness until end of turn.

Haste
Whenever this creature attacks, destroy up to one other target permanent. If you do, its controller reveals cards from the top of their library until two cards that each share a card type with that card are revealed and exiles those cards. That player puts the exiled cards onto the battlefield, then shuffles.

Flying
{R}: Slyten Ignitor gets +1/+0 until end of turn.