msem-instigator

Until end of turn, target creature you control gets +1/+1 and target creature an opponent controls gets -1/-1.

{T}, Discard your hand: If two or more cards were discarded this way, search your library for a card and put that card into your hand, then shuffle.

Creatures can't attack you unless their controller pays {2} for each of those creatures.
Whenever a permanent is returned to a player's hand, create a 1/1 white and blue Bird creature token with flying.

Sky-High Spires enters tapped unless you have two or more opponents.
{T}: Add {W} or {U}.

Equipped creature gets +2/+2.
Whenever equipped creature deals combat damage to a player, you may put a permanent card with mana value 2 or less from your hand onto the battlefield.
Equip {2}

Enchant creature
Enchanted creature gets +1/+1 and has flying.

Skylight Fortress enters tapped.
When Skylight Fortress enters, you may search your library for a card named Skylight Fortress, reveal it, put it into your hand, then shuffle.
{T}: Add {C}.

Enchant creature
Enchanted creature gets +1/+1 and has flying.
When Skypath Pilgrimage enters, journey twice. (Exile the top two cards of your library face up. Whenever a creature you control deals combat damage to an opponent, put a journeyed card you own into your hand.)

At the beginning of combat on your turn, target creature you control with flying gets +1/+1 until end of turn.

Enchant creature
Enchanted creature gets +1/+1.
Whenever enchanted creature deals damage to a player or planeswalker, draw a card.

Whenever Slaffield Workgate or another enchantment you control enters, create a 0/2 white Ox creature token.
{3}{W}: Return another target enchantment you control to its owner's hand.

As an additional cost to cast this spell, discard a card and sacrifice a nonland permanent.
Draw three cards.

Slay Them in the Aisles deals 2 damage to each non-Actor creature.

This spell costs {1}{B} less to cast if it targets a creature with indestructible.
Exile target creature.

Target creature blocks this turn if able. You may have it gain reach until end of turn.
Draw a card.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds {G}.
{G}, Sacrifice Sleeping Dryads: Draw a card.

Return target instant or sorcery card from your graveyard to your hand.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

Draw two cards.
Conjure a card named Fatigue and put it on top of your library. (It's a colorless sorcery that costs {2} with “Draw a card.”)

Enchant opponent
Whenever you attack enchanted player, look at the top X cards of your library, where X is one plus the number of attacking creatures you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.

You may change the targets of target instant spell, sorcery spell, or activated ability.

Choose target creature you control, then choose two —
• Put a +1/+1 counter on it.
• It gains hexproof until end of turn.
• It can't be blocked this turn.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Create two 1/1 red and white Warrior creature tokens. Those tokens gain first strike until end of turn.

Target player puts the bottom X cards of their library into their graveyard.

Equipped creature has “{1}, {T}: This creature deals 1 damage to any target.”
Whenever equipped creature deals damage to a creature with power 5 or greater, sacrifice Sling of the Meek. If you do, destroy that creature.
Equip {3}