msem-instigator

Choose two —
• Create two 1/1 white Soldier creature tokens.
• Creatures you control get +1/+1 until end of turn.
• You gain 5 life.
• Choose a creature. It gains indestructible until end of turn.

Flying, lifelink, deathtouch

Put a +1/+1 counter on target creature. That creature can't be blocked this turn.

Put a +1/+1 counter on each creature you control. Until end of turn, creatures you control gain vigilance and “When this creature dies, create a 1/1 white Human creature token.”

Enchant opponent
Creatures enchanted player controls with power 2 or less can't block.

Whenever a creature blocks Wildborn Courtesan, draw a card.
{R}{R}: Untap target creature an opponent controls. That creature blocks Wildborn Courtesan this turn if able.

{T}: Target player exiles a card from their graveyard.
{1}, Exile Pinnacle of Purity: Exile all graveyards. Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Play with the top card of your library revealed.
Spells you cast that share a creature type with the top card of your library cost {1} less to cast.

First strike
Creatures you control attacking cause abilities of that creature to trigger as though it entered.

You may have Mirror Mirage enter as a copy of any land on the battlefield, except it's an enchantment in addition to its other types.

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.)
When Cauldish Cavalier becomes renowned, you may pay 2 life. If you do, draw two cards.

You may have Urushi, the Ripple in the Smoke enter as a copy of any creature on the battlefield, except it's an enchantment. (It's not a creature.)

Interan Soothsayer gets +1/+1 for each other green creature you control.
{G}, {T}: Put a +1/+1 counter on target green creature.

Skip your draw step.
Your maximum hand size is equal to Abhorrent Academic's power.
At the beginning of your upkeep, if you have fewer cards in your hand than your maximum hand size, draw cards equal to the difference.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

As Reborn Altar enters, you may pay 3 life. If you don't, it enters tapped.
{T}: Add {R}, {W}, or {B}.

When Library Infiltrator enters, target creature can't be blocked by creatures with lesser power this turn.
Whenever one or more creatures you control deal combat damage to a player or planeswalker, draw a card.

Enchant creature
Enchanted creature gets +0/+1.
Enchanted creature deals combat damage equal to its toughness rather than its power.

When March of the Unhallowed enters, mill three cards, then return a creature card with mana value 3 or less from your graveyard to the battlefield.
Whenever you attack with three or more creatures, each opponent loses 1 and you gain 1 life.

Flying
Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Lunar Flock has vigilance as long as you're in a renaissance.

Conjure six duplicates of target instant or sorcery card in a graveyard into your main library. Then shuffle.
Draw a card.

{2}{R}: Creatures you control get +1/+0 until end of turn.
{1}{G}: Creatures you control gain trample until end of turn.

Thailen's Reprisal deals 2 damage to each of up to X targets.

Target creature gets +3/+3 until end of turn. If this spell was foretold, it gets +5/+5 until end of turn instead.
Foretell {1}{G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Trample
Defiance (Whenever this creature takes damage, if it survives and wasn't defiant, put a +1/+1 counter on it and it becomes defiant.)