Lifestealer + Rubick

Why this works

Setting up kills for Lifestealer often requires pinning a mobile target down. Rubick provides the perfect long-duration hold with Telekinesis, letting Lifestealer walk up and apply his slows without issue. The flexibility of Spell Steal is what really makes this pairing shine. Rubick can grab another stun to lock a target down for Lifestealer, or steal a strong defensive spell to save him after Rage ends. In return, Lifestealer offers a unique save of his own; a well-timed Infest can rescue a caught-out Rubick, turning a bad fight into a favorable one.

This duo creates pressure from the very start of the game. A successful lift in lane almost always leads to a kill, accelerating Lifestealer's farm and timings. Later on, enemies have to be incredibly careful about their spell usage. Throwing out a big teamfight spell against Lifestealer is already risky, but doing it with Rubick nearby can mean seeing that same spell used to hold your team in place while a magic-immune carry rips through you. This forces opponents into a bind where their best tools become their biggest liabilities.