when most people think of Thunder Dragon, they think of Chaos Turbo
This Omnimon can evolve from Red, Blue, Yellow, and Green Level 6 Digimon, as well as any other Omnimon for 3 Memory, making it a pretty versatile card to play
You have my attention
While it doesnt proactively counter Technical Machines like Jamming Tower does, its key advantage lies in being searchable via Arven and providing control without collateral
Drain synergies on Bastion of Remembrance, pingers like Thermo-Alchemist, and consistent noncombat damage from a card like Chandra, Awakened Inferno, spell doom for players that can't engage in combat
Sapphire was also notably missing another solid four-drop alternative to Belle, Strange But Special, and this fills the void nicely