Red Familiar

Level 4 DARK/Fiend Effect
1600 ATK / 0 DEF

You can Tribute 1 Fiend monster, then target 1 DARK Dragon Synchro Monster in your GY; Special Summon it in Defense Position, but negate its effects. You can banish this card from your GY, then target 1 DARK Dragon Synchro Monster you control and declare a Level from 1 to 8; that monster becomes that Level until the end of this turn. You can only use each effect of "Red Familiar" once per turn.

Rulings – Yugipedia

Printings:

Eternity Code: ETCO-EN016 (Common) - 2020-04-30
2021 Tin of Ancient Battles: MP21-EN052 (Common) - 2021-09-30
2025 Mega-Pack Tin: MP25-EN274 (Ultra Rare) - 2025-09-04

Prices:

Cardmarket: 0.02 €
TCGplayer: $ 0.04