Squeaknight

Level 1 FIRE/Warrior Union Effect
500 ATK / 500 DEF

If this card is Special Summoned: You can activate this effect; treat this card as a Tuner this turn, also you can only Special Summon once from the Extra Deck for the rest of this turn. Once per turn, you can either: Target 1 face-up monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead.

Rulings – Yugipedia

Printings:

Ignition Assault: IGAS-EN031 (Common) - 2020-01-30
2021 Tin of Ancient Battles: MP21-EN013 (Common) - 2021-09-30

Prices:

Cardmarket: 0.08 €
TCGplayer: $ 0.05