Gamma Knife is a C EVENT card from the OP05 set of optcg. Rarer printings such as the C tier tend to be harder to find in circulation, which is often reflected in their market price.

The latest recorded price for Gamma Knife is $0.23, captured on Oct 19, 2026. Over the past 30 days we logged 19 price points, and it has ranged from $0.19 to $0.28, with the most recent figure trending downward compared with the start of that window.

Every price above is pulled from live marketplace data and stored as dated history, so you can see how Gamma Knife has moved over time rather than relying on a single static estimate. Use the full history table below to track its trajectory before you buy, sell, or trade.