Castle Blackstone

The player winning here gets +1 Energy each turn.

The Black King reigns.

• Category: Released
• Rarity: Uncommon
• Difficulty: Standard
• Release date: 2023-12-13
• Last featured: 2026-02-04
• Times featured: 3
• On final board in 1.4% of tracked boards (current OTA window)
• On initial board in 1.5% of tracked boards (current OTA window)
• First seen: 2026-03-13

Best and worst cards in games at Castle Blackstone

Across SnapComplete-tracked Ranked and Conquest games where Castle Blackstone was on the final board, Groot performs best here (+7.4% win rate vs its average) and Galactus performs the worst here (-9.4%).

Best When Seen:

• Groot: +7.4% win rate vs its average (58 games)
• Magus: +6.4% win rate vs its average (406 games)
• Spectrum: +6.3% win rate vs its average (781 games)

Worst When Seen:

• Galactus: -9.4% win rate vs its average (2,755 games)
• Hobgoblin: -8.5% win rate vs its average (902 games)
• Destroyer: -7.8% win rate vs its average (526 games)

How this is measured: across tracked games (bots excluded) where Castle Blackstone was on the final board. It reflects how each card performs with this location on the board, smoothed against that card's own baseline win rate, and updates continuously.