Revolving Switchyard

Field Spell

If a Level 10 EARTH Machine monster(s) is Normal or Special Summoned to your field (except during the Damage Step): You can activate this effect; your opponent takes no battle damage for the rest of this turn (even if this card leaves the field), also you Special Summon 1 Level 4 EARTH Machine monster with 1800 or more ATK from your Deck, and if you do, it becomes Level 10. You can send 1 card from your hand to the GY; add 1 Level 10 EARTH Machine monster from your Deck to your hand. You can only use 1 "Revolving Switchyard" effect per turn, and only once that turn.

Rulings – Yugipedia

Printings:

The Dark Illusion: TDIL-EN092 (Common) - 2016-08-04
2017 Mega-Tin Mega Pack: MP17-EN119 (Common) - 2017-08-24
OTS Tournament Pack 10: OP10-EN011 (Super Rare) - 2019-04-18
OTS Tournament Pack 10 (POR): OP10-PT011 (Super Rare) - 2019-04-18

Prices:

Cardmarket: 0.25 €
TCGplayer: $ 0.50