msem-instigator

When Recon Drone enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle. Then if you did, put a card from your hand on the bottom of your library.

Flash
{1}, {T}: Scry 1.

Choose one —
• Counter target spell unless its controller pays {2}.
• Draw a card.

Flash
Prowess
When Reconstructed Adept enters, target instant or sorcery card in your graveyard gains agonize until end of turn. (You may cast it by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile that card.)

Choose one or both —
• Destroy target enchantment.
• Return target artifact card from your graveyard to your hand.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

Redleather Armorer gets +1/+1 as long as it's your turn.

Counter target spell unless its controller pays its mana cost. (For example, if a spell costs {1}{U}{U}, its controller must pay {1}{U}{U}.)

First strike
Whenever an opponent casts a noncreature spell, you gain 2 life.

Target player sacrifices a creature. Then you gain 3 life if that player doesn't control any creatures.

Draw two cards, then discard a card.

Flying
{2}{U}: Switch target creature's power and toughness until end of turn.

Destroy up to one target artifact. Create a Gold token. (It's an artifact with “Sacrifice this artifact: Add one mana of any color.”)

Flying, lifelink

Choose one —
• Change all targets of target spell or ability.
• All damage that would be dealt to target creature this turn is dealt to another target creature instead.

Choose target player. Until end of turn, if a spell or ability that player controls would cause them to draw a card, each of their opponents draws a card instead.

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the next end step.)

When Refuse Trawler enters, you may pay {G}. If you do, choose one —
• Return a permanent card from your graveyard to your hand.
• Rediscover a permanent card. (Look at the top card of your library. You may reveal it and put it into your hand if it's a permanent card. Otherwise, put it back or into your graveyard.)

Refuse to Submit deals 3 damage to any target. If that target is an attacking creature, it deals 5 damage instead.

Menace
Regal Dragoon gets +1/+1 as long as you control a legendary creature.

Whenever Regretful Chronicler is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)
Surpass {5}{U} ({5}{U}: Transform this. This
costs 1 less to activate for each counter on it. Activate only as a sorcery.)

Amass Soldiers 2. (Put two +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)
Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target permanent card from your graveyard to your hand. If it's an enchantment card, create a 2/2 black Zombie creature token.

Menace

Choose one—
• Put two -1/-1 counters on target creature.
• Untap target creature. It gains deathtouch until end of turn.
• Until end of turn, target creature deals damage to creatures in the form of -1/-1 counters.