Pest Rescuer

Pest

At the beginning of each upkeep, if you don't control a Pest creature token, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."
If you would gain life, you gain that much life plus 1 instead.

Ribtruss Roaster

Devour 1 (As this creature enters, you may sacrifice any number of creatures. This creature enters with that many +1/+1 counters on it.)
At the beginning of your end step, create a number of 1/1 black and green Pest creature tokens equal to the number of +1/+1 counters on this creature. They have "When this token dies, you gain 1 life."

Yavimaya Bloomsage

At the beginning of your end step, put a +1/+1 counter on target creature you control. Then if that creature has power 7 or greater, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

Yavimaya Bloomsage // Channel

Defacing Duskmage

Deathtouch
Whenever an opponent draws their second card each turn, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Vandal's Edit

Draw two cards. Each player loses 2 life.

Defacing Duskmage // Vandal's Edit

Eccentric Pestfinder // Turn Stones

Eccentric Pestfinder

Trample
At the beginning of each end step, if you gained life this turn, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Turn Stones

For each opponent, you create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."

Immoral Bargain

As an additional cost to cast this spell, sacrifice X creatures.
Destroy X target nonland permanents.

Copy

Inspired Skypainter // Maestro's Gift

Inspired Skypainter

Flying
When this creature enters and whenever one or more creature tokens you control deal combat damage to a player, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Maestro's Gift

Create a token that's a copy of target creature you control. That token gains haste until end of turn.

Lorehold Archivist // Restore Relic

Lorehold Archivist

First strike
At the beginning of your upkeep, if there are three or more artifact and/or creature cards in your graveyard, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Restore Relic

Exile target artifact or creature card from your graveyard. Create a token that's a copy of it.

Striding Shotcaller

Reach
Whenever one or more creatures you control deal combat damage to a player, this creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Run the Play

Put a +1/+1 counter on each of up to X target creatures. Those creatures gain flying until end of turn. Draw a card.

Striding Shotcaller // Run the Play

Brass Infiniscope

{T}: Add {C}{C}. When you next cast a spell with {X} in its mana cost this turn, you draw a card and gain half X life, rounded down.

Secrets of Strixhaven Commander