Gyarados-Mega

Raises the user's Attack and Speed by 1.

User survives attacks this turn with at least 1 HP.

Ally: Crit ratio +1, or +2 if ally is Dragon type.

One adjacent ally's move power is 1.5x this turn.

Prevents moves from affecting the user this turn.

For 5 turns, heavy rain powers Water moves.

User sleeps 2 turns and restores HP and status.

Forces the target to switch to a random ally.

For 5 turns, a sandstorm rages. Rock: 1.5x SpD.

User must be asleep. Uses another known move.

Lowers the target's Speed by 2.

User takes 1/4 its max HP to put in a substitute.

For 5 turns, intense sunlight powers Fire moves.

Target can't use status moves its next 3 turns.

Raises the target's Attack by 2 and confuses it.

Paralyzes the target.

Lowers the PP of the target's last move by 4.