Cosmic Flare

Quick-Play Spell Card

Target 1 "Stardust" Synchro Monster you control; this turn, if that Synchro Monster you control battles an opponent's monster, shuffle that opponent's monster into the Deck at the start of the Damage Step. If a "Stardust" Synchro Monster you control would Tribute itself to activate its effect, you can banish this card from your Graveyard instead.

Rulings – Yugipedia

Printings:

Duelist Saga: DUSA-EN036 (Ultra Rare) - 2017-03-30
OTS Tournament Pack 16: OP16-EN024 (Common) - 2021-06-09
OTS Tournament Pack 16 (POR): OP16-PT024 (Common) - 2021-06-09

Prices:

Cardmarket: 0.11 €
TCGplayer: $ 0.16