msem-instigator

When this creature enters, create a 1/1 white Bird creature token with flying.
{3}{W}, Exile this card from your graveyard: Create a 1/1 white Bird creature token with flying. Activate only as a sorcery.

When Gamhaugen Stablehand enters, put a +1/+1 counter on target creature you control. You gain 1 life.

First strike
Noncreature spells with mana value 3 or greater cost {1} more to cast.
Creatures with mana value 3 or greater enter tapped.

First strike
Creatures with power greater than Gao'Wu, Master Soothsayer's power can't attack.

As long as you control five or more creatures, if you would create a token, you may instead create Hu Li, a legendary 4/4 white Fox Spirit creature token with flying and lifelink.

Garden Cherub's power and toughness are each equal to the number of creatures you control.
Garden Cherub can't be blocked by creatures with power 2 or less.

Whenever a creature attacks, if its toughness is greater than its power, untap it.

Vigilance
Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
Whenever an opponent attacks you, create a tapped 1/1 white Soldier creature token with melee. Exile that token at the beginning of your next end step.

When Garrison Warden enters, put a +1/+1 counter on target creature you control.
Surpass {5}{W} ({5}{W}: Transform this. This costs {1} less to activate for each counter on it. Activate only as a sorcery.)

You may cast Gateblessed Explorer from your graveyard as long as you control three or more creatures.
Whenever another creature dies, each opponent loses 1 life and you gain 1 life.

Vigilance
Death knell — Tap up to two creatures you don't control. (As a creature you control dies, trigger one death knell of that creature or another permanent you control.)

Populate, then you gain 2 life. (Create a token that's a copy of a creature token you control.)

Whenever one or more +1/+1 counters are put on a creature you control, you may search your library for a creature card, reveal it, put it into your hand, then shuffle.

[+1]: Creatures you control get +0/+1 until your next upkeep. Untap those creatures.
[–2]: Put target tapped creature into its owner's library third from the top.
[–7]: You get an emblem with “Whenever a nonland permanent you control is put into a graveyard from the battlefield, each opponent sacrifices a nonland permanent.”

First strike
When Gavis's Dragoons enters, exile another target creature until Gavis's Dragoons leaves the battlefield.
Spells with the same name as the exiled card can't be cast (as long as this creature is on the battlefield).

Prevent all combat damage target creature would deal this turn. You gain life equal to that creature's power.

Vigilance
When this creature transforms into Geist Whisperer, create two 1/1 white Spirit creature tokens with flying.
At the beginning of your end step, untap all Spirits and creatures with flying you control.

Flying
When Gemscale Drake enters, create a Treasure token.
Whenever Gemscale Drake deals combat damage to a player, scry 1. If you control three or more artifacts, draw a card instead.

If a source you control would deal exactly 1 damage to a permanent or player, it deals 3 damage instead.

Whenever one or more creatures you control attack, create a 1/1 white Human Samurai creature token.

Whenever a creature you control enters, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
{2}, Sacrifice an Idol: Creatures you control get +1/+1 until end of turn.

Choose one or both —
• Put a +1/+1 counter on each creature you control.
• Attacking creatures you control gain lifelink and indestructible until end of turn.

Enchant creature
Enchanted creature and other creatures you control that share a creature type with it get +1/+1 and have vigilance.

Choose two—
• Target creature gains indestructible until end of turn.
• You gain 3 life.
• Draw a card.

Draw two cards, then create an X/X white Illusion creature token, where X is the number of cards you've drawn this turn.