msem-instigator

Whenever you cast a spell with • in its text, you may pay {2} any number of times. For each time you do, copy that spell. You may reselect modes and choose new targets for the copy.
{2}, Sacrifice Palaisun, Maktali's Opus: Draw a card.

Flying
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{3}{R}{R}, {T}: Exile an instant card with mana value 3 or less from your graveyard, then cast a copy of a card exiled with Thunderlash Mystic without paying its mana cost.

Whenever a nonland permanent enters under an opponent's control this turn, gain control of that permanent until the end of your next turn. It gains haste until end of turn.

Choose five target cards in your graveyard. An opponent separates those cards into two piles. Put one pile into your hand and exile the other. Exile Hell or High Water.

Akimbo Slash deals 1 damage to each of up to two target creatures.
Ferocious — Those creatures can't block this turn if you control a creature with power 4 or greater.

Hexproof
Whenever an opponent casts a spell or draws a card, draw a card.

Whenever Melodious Musician attacks, tap target creature an opponent controls.

Target opponent sacrifices half the permanents they control, rounded down.

As an additional cost to cast this spell, exile a noncreature artifact you control with mana value X until Barx leaves the battlefield or fails to resolve. X can't be 0.
[+1]: Exile the top card of your library. You may play it until you exile another card with Barx.
[–3]: Create an X/X colorless Hound artifact creature token, where X is the greatest mana value among cards exiled by Barx as you activate this ability.
[–10]: Search each player's library for any number of nonland cards with total mana value 10 or less and exile them, then those players shuffle. Cast those cards without paying their mana costs.

{T}: Add {C}.
{3}{B}: Until end of turn, Tzhai's Throne becomes a 2/2 creature. It's still a land. It gets +2/+2 if {R} was spent to activate this ability, gets +2/+2 if {G} was spent, and gets +2/+2 if {W} was spent.

If you would draw one or more cards, draw that many cards plus one instead.
When Unleashed Mindboggler dies, return it to the battlefield (front face up).

Flash
Enchant creature
Enchanted creature gets +3/+3.
Cycling {2} ({2}, Discard this card: Draw a card.)

Schoolmaster gets +1/+1 for each other Merfolk you control.
When Schoolmaster enters, create a 1/1 white Merfolk creature token.

Flying, haste
{X}{R}{R}, Exile an instant or sorcery card with mana value X from your graveyard: Return Merkurio's Familiar from your graveyard to the battlefield. It gets +X/+0 until end of turn.

Defender

Vigilance, reach
When Treeline Archer enters, mill four cards.
{5}{G}: Transform Treeline Archer. Activate only if it's attacking.

Trample
When Swift Spearmaster enters, return another permanent you control to its owner's hand.

Flying
When Windwielder enters, you may return target Inscription card from your graveyard to your hand.

Reveal the top five cards of your library. Put an artifact or sorcery card from among them into your hand and the rest on the bottom of your library in any order.
Reconstruct {3}{R} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

Breezerider has flying as long as you control a Nymph.
Breezerider has hexproof as long as you control another Monkey.

Infernal Flames deals 3 damage to target player or planeswalker.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Search your library for two basic land cards that don't share a land type and put them onto the battlefield tapped.
{W}{U}{B}{R}{G}, Exile The World Follows After from your graveyard: Create a 4/4 Elemental creature token that's all colors. It can't block this turn.

Each player chooses a nonbasic card name, then searches each of their opponents' graveyards, hands, and libraries for any number of cards with the chosen name and exiles them. Each player shuffles, then draws a card for each card exiled from their hand this way.