Synchro

Synchro (シンクロ) is a technique that appears in Kingdom Hearts Chain of Memories. It allows the user to set nearby enemies' HP to that of the target.

Mechanics
In Kingdom Hearts Chain of Memories, Synchro is a magic sleight. Its card combination is:

Kingdom Hearts Chain of Memories

 * Sora learns Synchro after finding Rabbit.

Kingdom Hearts Re:Chain of Memories

 * Sora can obtain Synchro from the first Wonderland Room of Rewards.