msem-instigator

Enchant creature
Enchanted creature gets +1/+0.
Whenever enchanted creature attacks, target creature can't block this turn.

Untap target creature. It gets +2/+2 and gains hexproof until end of turn.

Haste
When Zipping Zapper enters, target creature gains haste and first strike until end of turn.

Return target instant or sorcery card from your graveyard to your hand.
Draw a card.

{W}, {T}: Tap target creature.

When Posthumous Informant dies, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Enchant creature
Enchanted creature must be blocked if able.

Shining Crusader has protection from all colors as long as you control no colored permanents.

Treacherous Oasis enters tapped.
{T}: Add {U} or {B}.
{2}{U}{B}: Until end of turn, Treacherous Oasis becomes a Crocodile creature in addition to its other types. It can't be blocked this turn.
Scavenge {1}{U}{B}

Flying
When Ineptitude enters, untap target creature and gain control of it until end of turn. Put three stun counters on that creature. It gets +3/+3 and gains haste until end of turn.

Shuffle your library, then exile cards from the top until you've exiled cards with total mana value greater than or equal to X. You may play those cards until the end of your next turn. Add X mana of any one color.
Exile Final Ballad.

Haste
Whenever Keenheart Blade deals combat damage to a player, you may remove a -1/-1 counter from it.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Changeling (This card is every creature type.)
{1}: Another target creature you control gains the creature type of your choice until end of turn.
{1}: Change the text of another target creature you control by replacing all instances of one creature type with the creature type of your choice until end of turn.

When Nitrous Renewer enters, you may put a land card from your hand onto the battlefield tapped.
{3}{G}, Exile Nitrous Renewer from your graveyard: Return target land card from your graveyard to your hand. Activate only as a sorcery.

Target attacking creature gets +1/+0 until end of turn. When that creature dies this turn, it deals damage equal to its power to defending player.

Tithe (As you cast this spell, you may tap three artifacts and/or creatures you control.)
You gain 6 life. If this spell's tithe was paid, draw a card.

Whenever you cast a nonblue spell, create a 1/0 blue Horse Nymph creature token.
Horses get +1/+1 and have flying.

Destroy target creature. You lose 4 life.

When you cast this spell from your hand, return it to your hand.
Choose one —
• Stormcalling deals 4 damage to any target.
• Exile target artifact.

Purge. You gain 3 life. (To purge, exile two cards that share a type from graveyards. If you do, draw a card.)

Flying
Erratic (When this creature dies, reveal the top four cards of your library. Put a creature card that costs less than this revealed this way onto the battlefield and the rest on the bottom of your library in any order.)

Until end of turn, target creature gets +2/+0 and gains “When this creature dies, return it to the battlefield tapped under your control.”

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Fiery Portent deals 5 damage to target creature or planeswalker.
3 | Surveil 3.

Choose one —
• Festival Sabotage deals 2 damage to any target.
• Audition for red. (Create a 1/1 Construct Actor creature token, a Warrior Role giving 3/2 and trample, or a Wizard Role giving 2/2 and prowess. Roles replace older ones.)

Equipped creature gets +2/+0 and has flying.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)