msem-instigator

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

When Siamang Minstrel enters, you may put a lore counter on target Saga you control.

Hexproof
Spells you cast cost {1} less to cast for each creature you control that shares a creature type with that spell.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
If you would draw a card from an archived library, draw a card from each of your archived libraries instead. (Archived libraries are those that still have their Study in play.)

(Transform this if it's not attached to a creature. Pay {3}{U} as a sorcery to unattach it.)
Enchant creature you control
Gamhaugen Warbeast's rider gets +2/+2 and has flying.

{G}, {T}: Create a 1/1 green Elf creature token.
{3}{G}{G}, {T}: Create a 3/3 green Beast creature token.

Equipped creature gets +2/+0. As long as it's a Knight, it has first strike.
Equip {1}{W}

{T}: Add {C}.
{2}, {T}: Add three mana of any one color.
{3}, {T}: Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

At the beginning of your end step, if an opponent lost life this turn, Kogane the Crimson Consort deals 2 damage to each opponent and you gain 2 life.

Equipped creatures you control get +1/+1.
You may activate equip abilities any time you could cast an instant.
Equip {2}

Paygan Firebinder gets +1/+0 for each Satrapy you control.
Satrapycycling {2} ({2}, Discard this card: Search your library for a Satrapy card, reveal it, put it into your hand, then shuffle.)

When Steelcharm Obliterator enters, choose one —
• Put two +1/+1 counters on Steelcharm Obliterator.
• Target creature you control fights another target creature.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Choose up to one nonland permanent. Return the rest to their owners' hands.

Look at the top two cards of your library. Put one into your graveyard and the other back on top.

Flash
Flying
When Branu enters, return up to one other target creature you control to its owner's hand. If you do, create a token that's a copy of that creature, except it's 1/1.

Whenever Chi Lee attacks, you may discard a card. If you do, create a 4/4 black Demon creature token with “Whenever this creature deals combat damage to a player, return target card from your graveyard to your hand.”

Flying
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

When Recognification Process enters and at the beginning of your upkeep, create a token that's a copy of target artifact you control, then sacrifice an artifact.

Up to two target creatures can't block this turn. Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Gangling Titan has menace and deathtouch as long as there are four or more card types among cards in your graveyard.

Ferocious — Once each turn, when a creature you control with power 4 or greater enters, you may untap all lands you control.

Enchant creature
When Double Arming enters, put a +1/+1 counter on enchanted creature.
Enchanted creature has menace.
{5}: Return Double Arming to its owner's hand.

At the beginning of your upkeep, you may pay {1}{G/U}. If you do, proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)
At the beginning of your end step, you may pay {1}{G/U}. If you do, populate. (Create a token that's a copy of a creature token you control.)

Target creature gets +0/+3 until end of turn. Whenever that creature perseveres this turn, draw a card. (A creature perseveres when it survives damage.)