Groza, Tyrant of Thunder

Groza, Tyrant of Thunder was released in the Battle of Chaos booster set, which debuted in the TCG in early 2022. As a WATER-attribute Synchro Monster, it was designed to support strategies centered around the Icejade archetype, providing a defensive presence that pivots based on the card types present in the opponent's field or graveyard. The card draws on the high-fantasy aesthetic characteristic of the Icejade series, emphasizing cold, crystalline imagery and themes of isolation and elemental power.

The design of the card reflects the ongoing effort by the game’s developers to provide legacy support for modern archetypes while maintaining the specific color-coded attributes and mechanics associated with the Icejade lore. Within the community, the card is recognized as a functional, accessible piece of the set's common rarity tier, serving as a tactical tool for players rather than a centerpiece of competitive meta-play. Its reception was consistent with other lower-rarity support cards, valued primarily for its niche utility and consistency within its respective deck build.