msem-instigator

You can't lose the game this turn and your opponents can't win the game this turn. At the beginning of the next end step, your life total becomes 5.

Creatures you control get +1/+1 and gain trample and lifelink until end of turn.

Choose target creature you control. Mill cards equal to its power, then it fights up to one target creature you don't control.

Sacrifice a creature. At the beginning of the next end step, return that card from a graveyard to the battlefield under your control with two +1/+1 counters on it, except it's a black Demon instead of its other colors and types.

Gifted Arcanomancer gets +1/+1 as long as you control a Mountain.
{3}{R}: Exile the top card of your library. Until end of turn, you may play that card.

Rouse 2, then you gain 1 life for each creature you control. (Distribute two +1/+1 counters among permanents you control. If they aren't creatures, tap them and they become 0/0 creatures in addition to their other types.)

Flash
When Gilded Blade enters, you may attach it to target creature you control.
Equipped creature gets +1/+1.
Equip {1}

Gestalt (When this or another creature enters under your control, you may merge it with the one in play, keeping counters and attachments. They become the permanent on top plus all abilities from under it.)
This creature gets +2/+2 and has trample as long as it's merged with another card or token.

Lifelink

Prowess
Gilded Gunman gets +1/+1 as long as you control an artifact.

Flying
Whenever you cast a spell, Gilded Hawk gets +1/+1 until end of turn for each of that spell's colors.

When Gilded Merrow enters, if an opponent controls more lands than you, create a Treasure token. (It's an artifact with “{T}, Sacrifice this permanent: Add one mana of any color.”)

{3}, {T}: Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

{T}, Discard a card: Draw a card.
Unveil {2}{U}{R} ({2}{U}{R}: Transform this. Unveil only as a sorcery.)

You may pay {U} and tap an untapped Rogue you control rather than pay this spell's mana cost.
Counter target spell unless its controller pays {2}.

Destroy target creature or planeswalker if damage has been dealt to it this turn. Then Give to Sacred Halls deals 1 damage to it.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Flying, prowess
{T}: Until end of turn, target land is every basic land type in addition to its other types.

Harmony — Target creature gains flying until end of turn.
When Glamorous Aerialist enters, harmonize. (Trigger up to one harmony of one permanent you control.)

Hexproof
You may have Glen Hunter assign its combat damage as though it weren't blocked.

Aetherize target creature you control. (To aetherize, create a token that's a copy of it, then exile that token.)
Draw a card.

Wither (This deals damage to creatures in the form of -1/-1 counters.)
Instant and sorcery spells you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Return target nonland permanent to its owner's hand. If you control an Elemental, draw a card.

You gain 3 life.
Draw a card.

Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.
Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target opponent sacrifices a creature. Put a +1/+1 counter on up to one target creature you control.