Mighty Dino King Rex is a Dinosaur Effect Monster with Attribute EARTH, Level 9, ATK 3200, DEF 1200.
Monster cards contest the field through Summons, battles, and effects—check Level/Rank/Link and Attribute for Extra Deck or searchers.
On the current TCG and OCG Forbidden & Limited lists tracked here, Mighty Dino King Rex is Unlimited.
YGOPRODeck lists Mighty Dino King Rex for these formats: TCG, OCG, Master Duel.
A listed print of Mighty Dino King Rex appears in 25th Anniversary Tin: Dueling Mirrors (MP24-EN209) at Ultra Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Mighty Dino King Rex is about $0.07 on Cardmarket (prices change frequently).
