msem-instigator

Target creature gets +X/+0 until end of turn, where X is the number of instant and sorcery cards in your graveyard.

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
As long as Legend of the Brave is tapped, you may have creatures you control assign their combat damage as though they weren't blocked.

Haste
Rapport — Whenever Maghbri Hunter and at least one other creature you control become tapped, Maghbri Hunter gets +2/+1 until end of turn.

Whenever another creature named Reminiscing Youth you control enters, you may discard a card. If you do, draw a card.

As an additional cost to cast this spell, put a card from your hand on the bottom of your library.
Draw two cards.

Instant and sorcery spells you cast cost {1} less to cast.
Rapport — Whenever Selma Lappowen and at least one other creature you control become tapped, exile the top card of your library. Until end of turn, you may play that card.

Target creature gets +1/+0 until end of turn. Add {R}.

As an additional cost to cast this spell, discard a land card.
Exile the top two cards of your library. Until end of turn, you may play those cards.

[+2]: The Witch Queens deal 2 damage to each of up to two targets.
[–3]: Gain control of target land and untap it.
[–9]: Each player discards their hand, then draws up to seven cards. The Witch Queens deal damage to each opponent equal to twice the number of cards that player has drawn this turn.

Trample
Other Hounds you control get +1/+1 and have trample.

When Bauble Collector enters, you may return another permanent you control to its owner's hand.

Target opponent chooses a number, then you and that player may each search one of your libraries for a permanent card and reveal them. Put each permanent card with mana value less than or equal to the chosen number onto the battlefield under their owner's control, the rest into their owners' hands, then each player who searched their library this way shuffles it.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Search your library for a creature card with mana value X or less and put it onto the battlefield. Then shuffle.

Vigilance
Crinster Ranger enters with X +1/+1 counters on it, where X is the number of +1/+1 counters among other creatures you control.

Whenever another creature named Crinster Sheepdog enters, nourish 1. (To nourish 1, either put a +1/+1 counter on this creature or create a 1/1 white Citizen creature token.)

Defender, reach

[+1]: Untap up to one target creature.
[0]: Edith Waunt becomes a legendary green Human creature with “This creature's power and toughness are each equal to the number of loyalty counters on it” and “Whenever this creature deals damage, put a loyalty counter on it” until your next turn.

When Familial Matriarch enters, nourish 2. (To nourish 2, either put two +1/+1 counters on this creature or create two 1/1 white Citizen creature tokens.)

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
Whenever Fate of the Generous becomes tapped, you gain 2 life.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. You gain 3 life.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Target creature you control deals damage equal to its power to target creature you don't control.

Rapport — Whenever Grayce Blaen and at least one other creature you control become tapped, scry 1, then reveal the top card of your library. If it's a land card, you may put it onto the battlefield tapped.

Defender, deathtouch
Homestead Watcher gets +2/+0 and can attack as though it didn't have defender as long as you control another creature with defender.

When Humored Outlaw enters, choose one —
• Put a +1/+1 counter on Humored Outlaw. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)
• Destroy target artifact or enchantment.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Create an X/X green Beast creature token. Each opponent creates three 1/1 white Citizen creature tokens.