Giant Rex

Level 4 EARTH/Dinosaur Effect Monster
2000 ATK / 1200 DEF

Cannot attack directly. If this card is banished: You can Special Summon this card, and if you do, this card gains 200 ATK for each of your banished Dinosaur monsters. You can only use this effect of "Giant Rex" once per turn.

Rulings – Yugipedia

Printings:

Battles of Legend: Light's Revenge: BLLR-EN027 (Ultra Rare) - 2017-07-06
Maximum Gold: El Dorado: MGED-EN055 (Rare) - 2021-11-18
Wild Survivors: WISU-EN010 (Rare) - 2023-06-01

Prices:

Cardmarket: 0.15 €
TCGplayer: $ 0.12