Frost armor
Frost armor is R&D slang term used for “pay N more to target this creature”.[1] Alternatively, it could be phrased "counter the spell or ability unless its controller pays N". It's primary in blue, and also could be done in white, and maybe in green.[2]
Examples are Frost Titan and Diffusion Sliver.
References
- ↑ Mark Rosewater (September 22, 2019). "Do you imagine the "pay N more to target this creature" tax would be a viable way to phase Hexproof out?". Blogatog. Tumblr.
- ↑ Mark Rosewater (September 22, 2019). "Is Frost Armor limited to blue, or should we expect to see it in other colors if it is becoming more common?". Blogatog. Tumblr.