Jace

Jace, Reality Sculptor

+1: Empower Jace X, where X is the number of Islands you control.
−3: Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -5/-0 until end of turn.
0: Exile all but the bottom card of each opponent's library. Activate only if there are twenty-five or more loyalty counters among Jaces you control.

Angel

Lyra, Tolarian Archangel

Flying
At the beginning of each end step, if you've drawn three or more cards this turn, create a 3/3 blue Angel creature token with flying.
{3}{U}{U}: Until end of turn, whenever Lyra deals combat damage to a player, draw two cards.

Samut, Tyrant of Naktamun

Instant and sorcery spells you control have split second. (As long as a spell with split second is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Garruk, Veiled Butcher

Beast

If a creature an opponent controls would die, exile it instead.
+2: Up to one target creature gets -4/-1 until your next turn.
−2: Each player sacrifices a creature of their choice. If you sacrificed a creature this way, create a 4/4 green Beast creature token with trample.
−3: Each opponent discards two cards. For each opponent who didn't discard two nonland cards this way, you draw a card.

Gideon the Oathless

Ward—Discard a card.
Whenever a creature an opponent controls enters, Gideon deals 1 damage to that player.
Whenever an opponent activates a loyalty ability, Gideon deals 1 damage to that player.

Liliana the Repentant

Whenever another creature or planeswalker you control enters, mill two cards.
Exhaust — {5}{B}: Return target creature or planeswalker card from your graveyard to the battlefield. Put a +1/+1 counter on Liliana. Activate only as a sorcery. (Activate each exhaust ability only once.)

Teyo, Diamondblade Mage

Flash
When Teyo enters, target permanent you control gains deathtouch until end of turn. Put a +1/+1 counter on it if it's a creature. Put a loyalty counter on it if it's a planeswalker.

Winter, Tormented Loner

When Winter enters, you may sacrifice a creature or planeswalker. When you do, each opponent sacrifices a creature of their choice.
Winter gets +1/+0 for each creature and planeswalker card in your graveyard.

Cadet

Ajani Unrelenting

Whenever you activate a loyalty ability, create a 2/2 colorless Wizard Soldier creature token named Cadet.
+1: Creatures you control get +1/+0 and gain haste until end of turn.
−2: Discard your hand, then draw a card for each creature you control.
−3: Ajani deals 4 damage to each creature except for tokens you control.

Chandra, Torch of Defiance

Chandra, Torch of Defiance Emblem

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra deals 2 damage to each opponent.
+1: Add {R}{R}.
−3: Chandra deals 4 damage to target creature.
−7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

Infinite Coursework

Enchant creature
When this Aura enters, tap enchanted creature. It becomes unprepared.
Enchanted creature loses all abilities and doesn't untap during its controller's untap step.

Marwyn, the Clearcutter

{2}, {T}, Sacrifice an artifact or land: Draw a card.

Samut, Hazoret's Champion

Winter, Team Player

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Whenever you cast a noncreature spell, creatures you control get +1/+0 until end of turn.

Fblthp, Knows the Way

Domain — Fblthp's power is equal to the number of basic land types among lands you control.
When Fblthp enters, search your library for up to X basic land cards with different names, reveal them, put them into your hand, then shuffle.

Garruk, Curse Breaker

Whenever a creature you control with power 4 or greater enters, draw a card.
+2: Untap up to two target lands.
−3: Create a 4/4 green Beast creature token with trample.
−4: Until your next turn, whenever one or more creatures attack one of your opponents, those creatures get +2/+2 and gain trample until end of turn.

Reality Fracture