It lets the player throw up to three card-like projectiles that return to them after reaching a certain distance. Similar to Ring Boomerang, Magic Card is able to pick up items and bring them back to the player. Unlike Ring Boomerang however, it's capable of picking up 2 items at once, and it will also be able to pick up Keys or pickups held by an Anti-Eddie. Cards can be thrown directly upwards as well as forward.
- Magic Card will turn Punch Blocks 90 degrees each time it is hit by it.
- Magic Card is able to turn a Spike Platform around without the player jumping on it.
- Magic Card originally used a shooting animation in its debut game, but as the player was rooted to the ground as they fired, it was changed to a throwing animation for consistency.