In XY's TCG, where the phrase "Mega Evolution Pokemon" last appeared in the TCG, it was defined as "Mega Evolution Pokemon-EX", which is a different name type and evolution mechanic than that of today"s mega evolution cards that skip the "normal" final stage, and are treated as a mega form version of the stage 2, vs
A 2/2 for 3 that becomes a 4/4 whenever it blocks helps you set the tempo in combat in Limited environments
Get some fodder like the tokens Ophiomancer makes, some counter doublers or counter benefits like Hardened Scales or Abzan Falconer, and attack away
But specific design choices made them even more special: every Gold Star card depicted the Pokmon in its "Shiny" (alternate color) form, marking the first time shiny Pokmon were systematically featured as a specific rarity type since the "Shining" cards of the Neo era
Bhaal, who is god of murder