Veiler

The Veilers is a series of cards used by various Duelists. It is focused on Effect Veiler, a basic staple that can discard itself to negate a face-up Effect Monster's effect during his turn.

Trivias
All Veilers have 0 ATK and DEF, being Tuner and Spellcasters.

Awesome ways to play the Veilers
You: Blue-Eyes White Dragon

Your opponent: Number 39: Utopia

Discard Xyz Veiler to make your BEWD attack Utopia then in anime it can destroy numbers.