Collision Magnet

Collision Magnet (マグネクラッシュ) is a technique that appears in Kingdom Hearts Birth by Sleep and Kingdom Hearts 3D: Dream Drop Distance. It allows the user to pull a single enemy toward them with magnetic force, then send it crashing into other foes.

Mechanics
In Kingdom Hearts Birth by Sleep, Collision Magnet is an Advanced that takes up one slot in the Command Deck, has a maximum level of 4, a normal reload time of 20 seconds, and fills the Command Gauge by 25%.

In Kingdom Hearts 3D: Dream Drop Distance, Collision Magnet is an that uses one slot in the Command Deck and has a reload time of 22 seconds. It grants +3 to Strength and +1 to when attached to a Dream Eater recipe.

Kingdom Hearts Birth by Sleep

 * Terra, Ventus, and Aqua can create Collision Magnet through Command Melding.
 * Terra, Ventus, and Aqua can obtain Collision Magnet as an enemy drop.
 * Ventus can obtain Collision Magnet by earning 80 points in the Sticker Album.
 * Collision Magnet can also be bought from the Moogle Shop for 1300 munny once the command has already been obtained elsewhere.

Kingdom Hearts Birth by Sleep Final Mix

 * Terra, Ventus, and Aqua can create Collision Magnet through Command Melding.
 * Terra, Ventus, and Aqua can obtain Collision Magnet as an enemy drop.
 * Ventus can obtain Collision Magnet by earning 70 points in the Sticker Album.
 * Collision Magnet can also be bought from the Moogle Shop for 1300 munny once the command has already been obtained elsewhere.

Kingdom Hearts 3D: Dream Drop Distance

 * Riku can obtain Collision Magnet from a chest in Monstro: Belly.
 * Sora and Riku can purchase Collision Magnet from the Jestabocky Ability Link for 150 Link Points.
 * Sora and Riku can purchase Collision Magnet from the Zolephant Ability Link for 10 Link Points.
 * Sora and Riku can purchase Collision Magnet from the Staggerceps Ability Link for 150 Link Points
 * Sora and Riku can purchase Collision Magnet from the Moogle Shop for 1000 munny, 800 munny during Bargain Flurry, after reaching Shop Level 7.

Kingdom Hearts Birth by Sleep

 * Collision Magnet: Triple Wrecker (5%)

Kingdom Hearts Birth by Sleep
Collision Magnet is an Advanced-class Attack Command that can be melded through three different recipes, listed in the Mega Attack Recipe.
 * The first recipe can be melded by Terra, Ventus, Aqua, and is a recipe that has an 80% success rate with a 20% chance of transforming into Magnet Spiral when melding.
 * Zero Gravira (LV3) + Magnet (LV3)
 * The second recipe can be melded by Terra, Ventus, Aqua, and is a recipe that has an 80% success rate with a 20% chance of transforming into Magnet Spiral when melding.
 * Quick Blitz (LV3) + Magnera (LV3)
 * The third recipe can be melded by Terra, Ventus, Aqua, and is a recipe that has an 80% success rate with a 20% chance of transforming into Magnet Spiral when melding.
 * Stun Edge (LV3) + Magnera (LV3)

Kingdom Hearts Birth by Sleep
Collision Magnet can be used to meld Magnet Spiral.

Other appearances
The Unknown utilizes a technique similar to Collision Magnet in his battle.