Rubysapphirus, the Adamant Jewel

Level 9 EARTH/Rock Xyz Effect
2700 ATK / 1600 DEF

2+ Level 9 monsters
If this face-up card would be destroyed, you can detach 1 material from this card instead. Gains the following effects, based on the Attributes of its attached materials.
● FIRE: When this card declares an attack on a monster with higher ATK: You can make this card's ATK become double its current ATK until the end of the Damage Step.
● WATER: Once per opponent's turn (Quick Effect): You can target 1 card you control; this turn, negate any card or effect activated by your opponent that targeted that card.

Rulings – Yugipedia

Printings:

Rage of the Abyss: ROTA-EN044 (Common) - 2024-10-10
2025 Mega-Pack Tin: MP25-EN414 (Common) - 2025-09-04

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.07