msem-instigator

This spell costs {1} less to cast for each spell you cast this turn.
When Jidai Serpent enters the battlefield, draw two cards.

Flying, trample
At the beginning of combat on your turn, an opponent may sacrifice a creature. If they do, you may sacrifice a creature. If you do, repeat this process. If you don't, tap Kai'Jun.

When King of Bones enters the battlefield, exile up to ten target creature cards in graveyards. Each opponent loses X life and you gain X life, where X is the number of cards exiled this way.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
At the beginning of combat on your turn, Knotwood Lumberer gains your choice of vigilance or trample until end of turn.

Play with the top card of your library revealed.
You may cast creature spells from the top of your library. You may cast Centaur spells this way without paying their mana costs.

Indestructible
As long as your devotion to green and blue is less than seven, Kruphix isn't a creature.
Spells you cast from anywhere other than your hand cost {2} less to cast.
At the beginning of your upkeep, if there are no cards exiled with Kruphix, exile the top card of your library face down. You may look at and play that card for as long as it remains exiled.

Vigilance
Whenever you cast a creature or planeswalker spell, draw a card.
Lands you control have “{T}: Add {C}{C}.”

Library Specter can't attack unless there are five or more noncreature, nonland cards in your graveyard.

Trample
Whenever Living Archipelago enters the battlefield or attacks, up to two target lands you control voyage. (If they aren't being targeted by another spell or ability, they phase out.)
Whenever a land you control phases in, you may create a tapped token that's a copy of that land.

Trample
Augmented — When Lonely Giant enters the battlefield, if you've spent {W}{U}{B}{R}{G} to cast spells this turn, put two +1/+1 counters on it.

Menace
When Lord of Decay enters the battlefield, put a -1/-1 counter on it and each creature you don't control.

Lumbering Stoneshell has hexproof as long as it's untapped.

Trample
When Magmatic Ravager enters the battlefield, two target lands you control don't untap during your next untap step.

Flash
Defender
When Majestic Garrison enters the battlefield, another target creature you control gains indestructible until end of turn.

{X}{U}{U}: Marine Monster can't be blocked by creatures with mana value X or less this turn.

Creatures you control lose poisonous and can't have or gain poisonous.
Snakes you control deal damage to players in the form of poison counters.

Other Elementals you control get +2/+2.
Whenever one or more Elementals you control attack, tap up to one target creature you don't control.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Mighty Xioshu can't be blocked by creatures with power 2 or less as long as you're in a renaissance.

Indestructible
As long as your devotion to black and red is less than seven, Mogis isn't a creature.
At the beginning of your upkeep, each player discards a card. Then you draw a card. If an opponent can't discard a card or discarded a land card, you create a 2/3 red Minotaur creature token.

Reach
At the beginning of your end step, if you've gained 3 or more life this turn, create a 3/3 black Demon Horror creature token and each player loses 3 life.

Assault {2}{R} (Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.)
When Monstrous Hila assaults, it deals 3 damage to any target.

Protection from spells
When Msuji Sureshot enters the battlefield, search your library for an instant, sorcery, or Aura card that targets, reveal it, put it into your hand, then shuffle.

Trample
When Nanowrought Progenitor enters the battlefield, draw a card for each creature you control with two or more card types.

Flying
{1}{U}, Exile an instant card from your graveyard: Draw a card.
{1}{B}, Exile a creature card from your graveyard: Target creature gets -3/-3 until end of turn.
{1}{R}, Exile a sorcery card from your graveyard: Nefarox, Strifelord deals 3 damage to each opponent.

Flying, trample
Nether Fiend enters the battlefield with a lifelink counter on it.
{B}{B}, Pay 6 life, Remove a lifelink counter from Nether Fiend: Draw six cards.