Dismissive Denial

Counter target spell.
Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Titania, Proud Pummeler

First strike
Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
Other creatures you control have melee.

Fantastic Bounce

This spell costs {2} less to cast if it targets a tapped creature.
Return target nonland permanent to its owner's hand.
Draw a card.

Flying Drone

Flying, vigilance
{1}{U}, {T}: Draw a card, then discard a card. This ability costs {1}{U} less to activate if another creature with flying entered under your control this turn.

Happy Hogan, Bodyguard

Vigilance
When Happy Hogan enters, the owner of target creature an opponent controls puts it into their library second from the top or on the bottom.

Immortus, Master of Eternity

{T}: Add {U} for each card you've drawn this turn. Spend this mana only to cast noncreature spells.
Power-up — {5}{U}{U}: Each player shuffles their hand and graveyard into their library, then draws seven cards. Put a +1/+1 counter on Immortus. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)

Imperial Cosmographer

Vigilance
Whenever another creature you control leaves the battlefield without dying, put two +1/+1 counters on this creature.

Impossible Man

Flying
{2}{U}: Impossible Man becomes a copy of another target permanent until end of turn, except his name is Impossible Man.

Iron Man, Bleeding Edge

Flying
Whenever you cast an artifact spell, you may copy it, except the copy isn't legendary. Do this only once each turn. (The copy becomes a token.)

Living Lies of Loki

This creature gets +1/+0 for each other Illusion you control.
When this creature dies, draw a card.

Loki, Lord of Misrule

{U}, {T}: Choose target creature you control. Each creature you control other than the chosen creature becomes a copy of that creature until end of turn, except it isn't legendary. Activate only as a sorcery.

Copy

Multiversal Recruitment

Create a token that's a copy of target creature you control, except it isn't legendary.
Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

War Machine, Avenging Arsenal

Flying
Whenever War Machine attacks, attacking modified creatures you control gain double strike until end of turn. (Equipment, Auras you control, and counters are modifications.)

Mysterio's Mirage

Illusion Villain

At the beginning of your end step, if you discarded a card this turn, create a 3/3 blue Illusion Villain creature token.

Namor, Scourge of the Seas

Flying
Each other Merfolk you control with a +1/+1 counter on it has flying.
At the beginning of combat on your turn, target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

Merfolk

Namora, the Sea Queen

Flying
Power-up — {5}{U}: Put a +1/+1 counter on Namora. Create two 1/1 blue Merfolk creature tokens. (Activate each power-up ability only once. Reduce the cost by her mana cost if she entered this turn.)

Marvel Super Heroes Commander