Hardened Academic

Flying, haste
Discard a card: This creature gains lifelink until end of turn.
Whenever one or more cards leave your graveyard, put a +1/+1 counter on target creature you control.

Seize the Spoils

As an additional cost to cast this spell, discard a card.
Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Practiced Scrollsmith

First strike
When this creature enters, exile target noncreature, nonland card from your graveyard. Until the end of your next turn, you may cast that card.

Garrison Excavator

Menace (This creature can't be blocked except by two or more creatures.)
Whenever one or more cards leave your graveyard, create a 2/2 red and white Spirit creature token.

Mountain

Fields of Strife

This land enters tapped.
{T}: Add {R} or {W}.
{2}{R}{W}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Heated Argument

Heated Argument deals 6 damage to target creature. You may exile a card from your graveyard. If you do, Heated Argument also deals 2 damage to that creature's controller.

Pack a Punch

Mill a card. Put two +1/+1 counters on target creature. It gains trample until end of turn.

Kirol, History Buff

Whenever one or more cards leave your graveyard, Kirol becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)

Kirol, History Buff // Pack a Punch

Ark of Hunger

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.

Group Project

Create a 2/2 red and white Spirit creature token.
Flashback—Tap three untapped creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spirit Mascot

Whenever one or more cards leave your graveyard, put a +1/+1 counter on this creature.

Duel Tactics

Duel Tactics deals 1 damage to target creature. It can't block this turn.
Flashback {1}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Plains

Primary Research

When this enchantment enters, return target nonland permanent card with mana value 3 or less from your graveyard to the battlefield.
At the beginning of your end step, if a card left your graveyard this turn, draw a card.

Lorehold Charm

Choose one —
• Each opponent sacrifices a nontoken artifact of their choice.
• Return target artifact or creature card with mana value 2 or less from your graveyard to the battlefield.
• Creatures you control get +1/+1 and gain trample until end of turn.