I got everything you wanted.

Literal

I [topic-は] you [possessive-の] wanted things [topic-は] anything obtained.

欲しいもの ('things wanted') — 欲しい modifies もの. なんでも ('anything, everything') is the universal quantifier. 手に入れる ('to obtain, get hold of') — the transitive counterpart of 手に入る ('to become available').