Star Trek Commander

Legendary Creature — Human Officer

When Will Riker enters, put a +1/+1 counter on another target creature you control.

Will Riker, Assuming Command

Card

Arna Kennerüd, Skycaptain

Modern Horizons 3 Art Series

Modern Horizons 3

Copy

Legendary Creature — Human Knight

Flying, lifelink
Ward—Discard a card.
Whenever a modified creature you control attacks, double the number of each kind of counter on it. Then for each nontoken permanent attached to it, create a token that's a copy of that permanent attached to that creature.

Azami, Lady of Scrolls

Commander Masters Art Series

Urza, Lord High Artificer

Commander Masters

Legendary Creature — Eldrazi

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference.
Menace
Discard a card with mana value X: Counter target spell with mana value X.

Kozilek, the Great Distortion

Legendary Creature — Human Wizard

Tap an untapped Wizard you control: Draw a card.

Construct

Legendary Creature — Human Artificer

When Urza enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."
Tap an untapped artifact you control: Add {U}.
{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.