Viktor vs Zed

Poke with Hextech Ray (E), fired in the direction you choose: it hits every enemy in its line, and its upgrade adds an aftershock in its wake.

After Siphon Power (Q), land an auto within 4 seconds: it deals bonus magic damage, and the spell's shield covers you during the trade.

Place Gravity Field (W) in your target's path, then fire Hextech Ray (E): the field slows them, and if they stay in it for 1.25 seconds, they're stunned.

Glorious Evolution (passive) upgrades a spell every 100 Hex Fragments: Hextech Ray (E) to poke and clear, Siphon Power (Q) to survive, Gravity Field (W) to slow.

Place Arcane Storm (R) on grouped enemies: it follows the champions it just damaged on its own, and you can recast it to move it.

Take a trade when he has used Living Shadow (W): while it's on cooldown, he has no double shuriken and no way out.

Back rather than staying in lane at low health against him: Contempt for the Weak (passive) adds magic damage to his autos against low-health targets.

If you have invulnerability or a shield, use it right before Death Mark (R) pops, 3 seconds after his dash: it repeats part of the damage he dealt you.

After his dash onto you, spot the shadow left at his starting point: if he recasts Death Mark (R), that's where he reappears.