msem-instigator

({T}: Add {B}.)
As Midnight Gate enters, you may pay 1 life. If you don't, Midnight Gate enters tapped.
Basic lands you control have “{T}: Add {B}.”

Look at the top two cards of your library. You may shuffle.
Draw two cards. You lose 2 life.

Flash

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Destroy target creature.

Whenever you cast a spell from exile, put two +1/+1 counters on Midnight Vagrant. It gains menace until end of turn.
{1}{B}{B}: Exile the top card of target opponent's library. You may play that card during any turn you attacked with a Rogue, and you may spend mana as though it were mana of any color to cast it. Activate only as a sorcery.

Flying
When Midnight Visitor enters, you may return target creature to its owner's hand.

Each player loses 2 life, discards two cards, sacrifices two creatures, then sacrifices two lands.

When Miede-District Alchemist enters, add {R}{R}{R}.
Paranoia {1}{R} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Haste
{R}, {T}: Miede-District Enforcer deals 2 damage to target creature that entered this turn or player that cast a creature spell this turn.
Paranoia {1}{R} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Choose one—
• Destroy target artifact.
• Target creature gets +4/+4 until end of turn.

Enchant creature
Enchanted creature gets +3/+3 and has trample.

Choose one —
• Destroy target artifact.
• You gain 4 life.

Reveal the bottom two cards of your library. You may put one of those cards into your hand. If you do, target creature gets +X/+X until end of turn, where X is that card's mana value.

Until end of turn, target creature gains double strike and damage dealt by it can't be prevented.
Fuse (You may cast one or both halves of this card from your hand.)

Flash
When Mighty Beetle enters, you may put two +1/+1 counters on target creature you control.

Target attacking creature gets +3/+0 until end of turn.

When Mighty Totem enters, scry 1.
{1}{G}, Sacrifice Mighty Totem: Target creature gets +3/+3 until end of turn.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Mighty Xioshu can't be blocked by creatures with power 2 or less as long as you're in a renaissance.

You may exert Migrating Herd as it attacks. When you do, sacrifice a land and draw a card. (An exerted creature won't untap during your next untap step.)

Search your library for a basic Forest or Plains card, put that card onto the battlefield tapped, then shuffle.
{3}{W}, Exile Migration Range from your graveyard: Create two 1/1 green and white Elk Spirit creature tokens. Activate only as a sorcery.

When Militant Arms enters, create a 1/1 white Human creature token, then attach Militant Arms to it.
Equipped creature gets +2/+1.
Equip {3}

Whenever you gain life, Militant Youth gets +1/+1 until end of turn.

When Militant's Standard enters, draw a card if you control a Merfolk.
Equipped creature gets +2/+1.
Equip {2}

Enchant creature you control
When Military Authority enters, create two 1/1 white Soldier creature tokens.
Enchanted creature gets +2/+2.