Rampaging Smashtank Rhynosaber

Level 7 FIRE/Machine Synchro Effect
2400 ATK / 2100 DEF

1 Tuner + 1+ non-Tuner monsters
You can discard any number of cards; this card gains 700 ATK for each card discarded. At the end of the Battle Phase, if this card battled: You can send this card to the GY; Special Summon monsters from your GY whose total Levels equal 7, except "Rampaging Smashtank Rhynosaber", but their effects are negated. You can only use each effect of "Rampaging Smashtank Rhynosaber" once per turn.

Rulings – Yugipedia

Printings:

Rise of the Duelist: ROTD-EN093 (Super Rare) - 2020-08-06
2021 Tin of Ancient Battles: MP21-EN163 (Common) - 2021-09-30
2-Player Starter Set: STAS-EN043 (Ultra Rare) - 2024-01-26

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.06