Udyr vs Locke

Swap stances every two autos: after each spell, Bridge Between (passive) gives attack speed to your next two attacks.

Switch to Iron Mantle (W) when you're taking damage: you gain a shield, and your next two autos heal you. Once awakened, it also heals you over time.

In Blazing Stampede (E), each auto makes you dash to your target and stuns them. Switch targets to stun several: the same target can't be stunned again for a while.

To engage into a team full of CC, awaken Blazing Stampede (E) by recasting it: you become immune to immobilizing effects and gain move speed.

Cast Wingborne Storm (R) while running at the enemies: every second, it damages and slows everyone around you.

Back instead of staying in lane at low health: Silver Stake (passive) adds damage to his autos that grows with your missing health.

Trade after Ashen Pursuit (E): it's his only instant movement, and its 10-second cooldown only resets if he gets a takedown.

During Soul Ignition (W), only hit him if you can kill him: at the end, he heals back part of the last damage taken, yours included.

Marked by Purgatory (R), stay above its threshold: if you have a heal or a shield, use it, because he seals marked enemies who drop below it.

If the Purgatory (R) artifact lands, hold the area where it fell: by picking it up, Locke raises his execute threshold for each sealed champion, for the rest of the game.