msem-instigator

Whenever one or more other creatures you control deal combat damage to an opponent, choose one —
• That player discards a card at random.
• That player sacrifices a creature with toughness 4 or less.

Draw two cards. You may play an additional land this turn.
Coalesce {5}{G}{U} (You may cast this from your graveyard for {5}{G}{U}. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield.)

Double strike
Whenever an opponent casts a noncreature spell, Riko, the Paragon deals 2 damage to that player.
Whenever a creature you control becomes blocked, untap it.

Destroy target creature. Creatures without flying can't block this turn.

Sammel Wyldjack enters the battlefield with a fuse counter on him.
At the beginning of your upkeep, remove a fuse counter from Sammel Wyldjack. If you do, each player sacrifices four lands and Sammel Wyldjack deals 4 damage to each other creature.

Return up to one target creature to its owner's hand. If you do, that player discards a card at random.
Coalesce {5}{U}{B} (You may cast this from your graveyard for {5}{U}{B}. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
Whenever Shroud the World in Doom deals combat damage to an opponent, that player discards a card at random.

Each creature gets -X/-X until end of turn. Destroy each artifact and enchantment with mana value X or less.

Spark New Life deals X damage to any target. You may put up to X land cards from your hand and/or graveyard onto the battlefield.

At the beginning of your end step, you may put a progress counter on Sparkline Harness.
[PROGRESS 1-3] Whenever an artifact creature you control attacks, it deals 1 damage to target opponent.
[PROGRESS 4+] Whenever a creature you control attacks, it deals 1 damage to target opponent.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Whenever Sullivan's Heralds or another creature you control becomes renowned, add mana equal to the number of +1/+1 counters on it in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.

Discard your hand. Draw a card for each artifact you control, then add {U} for each artifact you control. Exile Taste Brilliance.

At the beginning of your end step, you may put a progress counter on Technology Transfer.
[PROGRESS 2-5] Whenever an enchantment enters the battlefield under your control, draw a card.
[PROGRESS 6+] Whenever an enchantment enters the battlefield under your control, draw three cards.

{8}: Exile target nonbasic permanent. Its controller gains life equal to its mana value.

Shuffle any number of cards from your graveyard into your library. You gain that much life.
Draw a card.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
{4}{R}{G}: Twinblade Paragon gains double strike until end of turn.

Haste
Whenever Weary Sentinel attacks, you may pay {2}{R}{W}. If you do, it gets +2/+0 and gains first strike until end of turn.

First strike, hexproof

Each player shuffles their hand and each non-Revelation card from their graveyard into their library, then draws seven cards. You may put any number of land cards from your hand onto the battlefield.
Coalesce {6}{G}{U}{U}

[+1]: You may sacrifice a creature. If you do, return a creature card with lesser mana value from your graveyard to the battlefield.
[–1]: Other creatures and planeswalkers you control gain indestructible and can't have counters removed from them until your next turn.
[–X]: Exile X target cards from graveyards. Xiong Mao deals X damage to any target.

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)
Each creature you control with a +1/+1 counter on it has indestructible.

At the beginning of your end step, you may put a progress counter on Armored Transports.
[PROGRESS 1-2] Creatures you control get +0/+1.
[PROGRESS 3+] Creatures you control get +0/+1 and have vigilance.

First strike
Other Rogues you control get +1/+0 and have first strike.
{2}, Sacrifice a permanent: Return target Rogue card from your graveyard to your hand.

Equipped creature gets +2/+2 and has flying.
At the beginning of your upkeep, if Devised Battlesuit is attached to a non-Artificer creature, sacrifice Devised Battlesuit.
Equip {4}

Equipped creature gets +2/+0.
Whenever a creature blocks equipped creature, you may sacrifice Elderbane Rifle. If you do, destroy that creature.
Equip {2}

At the beginning of your end step, you may put a progress counter on Elections Tampering.
[PROGRESS 2+] Whenever a creature enters the battlefield, you gain 1 life.
[PROGRESS 5+] Whenever a creature enters the battlefield, each opponent loses 1 life.