Mystical Dispute Blue mirrors can be grindy, but Mystical Dispute gives you a cheap, efficient way to win on the stack
If nothing else, it was fun to write :) Let's end with a picture of Bryan Manolakos failing to get the Chaos Orb challenge badge in Gothenburg.
Well, in simple terms, it means that the duals count as each of those subtypes
The DPs gained were used on the Blue Angel packs in the Card Shop
Each 15-card pack contains 2x extended-art cards (1 C/U and 1 R/M), 1x foil etched showcase legendary mythic, 1x foil etched showcase legendary R/M or foil borderless planeswalker, 1x foil etched showcase legendary uncommon or foil etched showcase Prismatic Piper, 1x foil rare or mythic rare (30% chance of extended-art), 2x foil legendary U/R/M, 2x foil uncommons (each with a 20% chance of being upgrade to a foil extended-art common or uncommon), 5x foil commons, and 1x foil token.