For a list of all documented (there are many not currently listed) human error misprints check out this link, and this one too
See rule 602, "Activating Activated Abilities." Therefore, once you put the Activated Ability on the stack, it stays there unless it is countered or something specifically removes the ability from the stack
A BRIEF HISTORY OF AMASS Amass made its debut in 2019s War of the Spark
Split cards have both their sides names, their mana value is the sum of both sides mana values, and their colors are the sum of all their sides' colors everywhere other than the stack
Promos can be more culturally important, but condition, authenticity, and provenance become more important
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