Echo, Perceptive Prodigy

Vigilance
{1}, {T}: Copy target activated or triggered ability you control from a creature source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Redwing

Falcon, Winged Wonder

Flying
Avian Telepathy — When Falcon enters, create Redwing, a legendary 1/1 blue Bird Scout creature token with flying and "Whenever Redwing attacks, surveil 1." (Look at the top card of your library. You may put it into your graveyard.)

Falcon's Wing Harness

When this Equipment enters, attach it to target creature you control.
Equipped creature gets +1/+1 and has flying and ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)
Equip {2}{U} ({2}{U}: Attach to target creature you control. Equip only as a sorcery.)

Frozen in Ice

Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature loses all abilities and can't become untapped.

Futurist Forge

When this artifact enters, draw a card.
{3}{U}, Sacrifice this artifact: Draw two cards.

Giant-Sized Flying Ant

Flash
Flying
When this creature enters, choose one —
• Tap target nonland permanent.
• Untap target nonland permanent.

Hydraulic Helper

Defender
{T}: Add {U}. This mana can't be spent to cast a nonartifact spell.

I Am Iron Man

Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/4 and gains flying.
Draw a card.

Iron Lad, Diverging Destiny

Flying, vigilance
You may look at the top card of your library any time.
{T}: Reveal the top card of your library. If it's an artifact card, draw a card.

Avengers Assemble!

Flash
Heroes you control get +2/+2.
At the beginning of each end step, if you attacked with a Hero this turn or a Hero entered the battlefield under your control this turn, draw a card.

Ironheart, Clever Champion

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying
Noncreature spells you cast have improvise.

Justice, Vance Astrovik

Flying
When Justice enters, return up to one target nonland, nontoken permanent to its owner's hand.
Whenever another nonland permanent you control is returned to its owner's hand, put a +1/+1 counter on Justice.

Kang the Conqueror

Flying
Power-up — {5}{U}{U}{U}: Put a +1/+1 counter on Kang. Take an extra turn after this one. During that turn, power-up abilities can't be activated. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn.)

Kid Loki

Each creature you control that you've put one or more +1/+1 counters on this turn has hexproof.
Whenever you draw your second card each turn, put a +1/+1 counter on Kid Loki.

Leader, Super-Genius

If a creature you control would connive, instead you draw a card, then that creature connives.
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.)

Loki, God of Mischief

Whenever a player or permanent becomes the target of an ability you control, draw a card. This ability triggers only once each turn.

Marvel Super Heroes