msem-instigator

You may change any targets of target spell that targets you or a permanent you control. If you don't, counter that spell.

When Rice Cultivator enters the battlefield, search your library for a basic Plains card or an artifact card with a mana ability, reveal it, put it into your hand, then shuffle.

Flying
When Sha Long enters the battlefield, each player chooses an artifact they control, then sacrifices the rest. If they don't control an artifact, they may return an artifact card from their graveyard to the battlefield. Repeat this process for creatures, enchantments, and planeswalkers.

{T}: Target creature you control gets +1/+1 until end of turn. Activate only as a sorcery.
Scavenge {W} ({W}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Flying
{3}{W}: Taifeng Flockherd and each other creature in its pack get +1/+1 until end of turn. (Two or more creatures you control with equal power are in a pack.)

Flying
Whenever another creature enters the battlefield under your control, you may have Waxing Celestial get +1/+1 until end of turn.

Flying, lifelink
Creatures entering or leaving the battlefield don't cause abilities to trigger unless that creature is in a pack. (Two or more creatures a player controls with equal power are in a pack.)

(Transcend as a sorcery to gain that type and a +1/+1 counter.)
When Xifang Hu enters the battlefield, noncreature spells cost {2} more to cast until your next turn.
{1}{W}: Demigod
Whenever a creature attacks this turn, create a 1/1 colorless Spirit creature token.
{4}{W}{W}: God
Distribute a flying, first strike, indestructible, lifelink, vigilance, and +1/+1 counter among any number of creatures you control.

Flying
When Blossoming Hatchling enters the battlefield, create a Treasure token.

You may reveal a creature card from your hand. Return each creature with power less than the greatest power among creatures you control and creature cards revealed this way to their owners' hands .

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Target creature's owner puts it on the top or bottom of their library.
3 | Return a creature card from your graveyard to your hand.

When Crane-Style Ascetic enters the battlefield, choose one —
• Create a 1/1 white Bird creature token with flying.
• Put a +1/+1 counter on target creature you control.

Counter target spell unless its controller pays {X}. If they do, you draw half X cards, rounded down.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Return up to two target creatures an opponent controls to their owner's hand.
3 | That player puts one card from their hand on top of their library, and another on the bottom.

You may have Ephemeral Qilin enter the battlefield as a copy of a multicolored permanent you control.

Flash
Flying
When Gale Conjurant enters the battlefield, return target spell to its owner's hand if its mana value is less than or equal to the number of creatures in Gale Conjurant's pack. (Two or more creatures you control with equal power are in a pack.)

Scavenge {5}{U} ({5}{U}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Flying
{T}, Tap another untapped creature in Heaven's Gale Harrier's pack: Tap target creature. (Two or more creatures you control with equal power are in a pack.)

When Inner-Eye Obscurist enters the battlefield, return each other creature that isn't in Inner-Eye Obscurist's pack to their owners' hand. (Two or more creatures you control with equal power are in a pack.)

{T}: Target land you control becomes the basic land type of your choice until end of turn.
At the beginning of each end step, if you spent three or more colors of mana to cast spells this turn, surveil 1.

Enchant creature
When Lost to the Elements enters the battlefield, if enchanted creature isn't in a pack, tap it. (Two or more creatures with the same controller and equal power are in a pack.)
Enchanted creature doesn't untap during its controller's untap step.

{T}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)
At the beginning of combat on your turn, you may exile a creature card from your graveyard. When you do, target creature with the same power as the exiled card can't be blocked this turn.

Flying
When Messenger of the Heavens enters the battlefield, surveil 1.
Whenever Messenger of the Heavens deals combat damage to a player, exile any number of target creatures in its pack, then return them to the battlefield under your control. (Two or more creatures you control with equal power are in a pack.)

(Transcend as a sorcery to gain that type and a +1/+1 counter.)
Flying
{1}{U}: Demigod
Whenever a creature you control deals combat damage to a player or planeswalker this turn, draw a card.
{3}{U}{U}: God
Create an X/X blue Spirit creature token, where X is the number of cards in your hand. Put a flying counter on it.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Take an extra turn after this one. Exile Paint the Skies with Legend.
5 | During that turn, whenever you tap a permanent for mana, add an additional one mana of any color.