Secrets of Strixhaven Singles

Infusion — When this creature enters, target creature an opponent controls gets -4/-4 until end of turn if you gained life this turn.

({T}: Add {B}.)

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Creatures you control with +1/+1 counters on them have trample. {4}{G}, {T}: Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of differently named lands you control.

Whenever one or more cards leave your graveyard, this artifact deals 1 damage to each opponent and you gain 1 life. {T}: Mill a card. You may play that card this turn.

Counter target creature spell.

Trample, reach Converge — This creature enters with a +1/+1 counter on it for each color of mana spent to cast it. Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 until end of turn for each color of mana...

({T}: Add {G}.)

As an additional cost to cast this spell, exile two cards from your graveyard or pay {1}{W}. Flying, vigilance

When this creature enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Opus — Whenever you cast an instant or sorcery spell, this creature...

When this creature enters, you gain 1 life. {2}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.

Unsubtle Mockery deals 4 damage to target creature. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

When this creature enters, create a 1/1 black and green Pest creature token with "Whenever this token attacks, you gain 1 life." At the beginning of your end step, if a creature died under your control this turn, draw a card.

Elite Interceptor This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.) Rejoinder You may tap or untap target creature. Draw a card.

Choose one — • Draw four cards. • Splatter Technique deals 4 damage to each creature and planeswalker.

Return up to X target instant and/or sorcery cards from your graveyard to your hand. Exile Divergent Equation.

Emeritus of Woe This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.) At the beginning of your end step, if two or more creatures died this turn, this creature becomes prepared. Demonic Tutor Search...

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Put two +1/+1 counters on up to one target creature.

Opus — Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, this creature also gains double strike until end of turn.

Trample, reach Converge — This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.