Chaos Warp

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Lockjaw, Slobbering Teleporter

Vigilance
At the beginning of combat on your turn, if you've cast a noncreature spell this turn, put a +1/+1 counter on Lockjaw. When you do, Lockjaw and up to one other target creature you control can't be blocked this turn.

Firebird, Blazing Ranger

Flying
Whenever Firebird attacks, other attacking creatures get +X/+0 until end of turn, where X is Firebird's power.

Flame On!

Put X +1/+1 counters on target creature, where X is the number of noncreature, nonland cards in your graveyard. It gains flying until end of turn.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Franklin Richards, Ascendant

At the beginning of combat on your turn, if you've cast a noncreature spell this turn, discover 6. (Exile cards from the top of your library until you exile a nonland card with mana value 6 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Into the Time Vortex

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Treasure

Killmonger, Ruthless Usurper

Trample
Whenever Killmonger attacks, he gets +1/+0 until end of turn for each artifact defending player controls.
Whenever Killmonger deals combat damage to a player, that player sacrifices an artifact of their choice and you create a Treasure token.

Lady Loki, Agent of Chaos

Whenever you cast your first instant, sorcery, or Villain spell each turn, exile it, then exile cards from the top of your library until you exile a nonland card. Lady Loki deals damage to each opponent equal to the difference between that spell's mana value and that nonland card's mana value. You may cast that card without paying its mana cost.

Copy

Living Laser

Haste
Whenever Living Laser attacks, for each card you've discarded this turn, create a token that's a copy of Living Laser, except the token isn't legendary. The tokens enter tapped and attacking. Exile the tokens at the beginning of the next end step.

Loki's Scepter

When Loki's Scepter enters, gain control of target creature until end of turn. Untap that creature. Until end of turn, it becomes a Villain in addition to its other types and gains haste.
{T}: Add one mana of any color.

Nova Flame

Put X +1/+1 counters on target creature you control. It deals damage equal to its power to each other creature.

Photon, Mighty Marvel

Flying
Whenever Photon deals combat damage to a player, add that much mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.

Professor Hulk

Trample
Whenever Professor Hulk deals combat damage to a player, draw that many cards.

Puppet Master, String Puller

Whenever you attack, goad target creature an opponent controls. It can't block this turn. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)
Whenever one or more goaded creatures deal combat damage to one of your opponents, create a Treasure token.

Seize the Day

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

She-Hulk, Wallbreaker

Trample
Other Heroes you control have trample.
Whenever a Hero you control becomes blocked, put a +1/+1 counter on that Hero for each creature blocking it.

Marvel Super Heroes Commander