リージェント

• Type: Skill
• Cost: 0 (spend 2 diamonds)
• Effect: Gain 2 Energy.

Upgraded

• Cost: 0 (spend 2 diamonds)
• Effect: Gain 3 Energy.

A conversion card that burns 2 diamonds for 2-3 Energy. Uniquely positioned as a diamond-to-Energy converter. It shines on turns where Energy is tight but diamonds are in surplus, enabling you to fit in heavy-cost cards you couldn't otherwise play.

Banking diamonds via Hidden Hoard or Radiance then cashing them through Orbit of Stars lets you drop multiple big cards in a single turn. Upgraded 3 Energy is enormous — effectively making three 1-cost cards free, or powering multiple 2-cost plays.

• Most effective on turns where diamonds are abundant but Energy is the bottleneck
• Secure the Energy first, then unload big cards in the same turn
• Upgraded 3 Energy is a major spike. Multiple 2-cost cards become playable in one turn

• Hidden Hoard: 3-4 diamonds next turn. Convert those into Energy via Orbit of Stars
• Sovereignty: Gain 2-3 cost next turn. Same Energy-boost direction as Orbit of Stars
• Nullify: First card each turn costs 0. Combined with Orbit of Stars, the effective cost becomes free

• Regent High Cost Orbit (B Tier)
• Regent Defensive Reflect (A Tier)
• Regent Star Diamond Stack (S Tier)
• Regent Resource Explosion (A Tier)