The other original WOTC sets that comprise the first 4 sets, Jungle, Fossil, and Team Rocket offer a jolt of nostalgia for many of the collectors that grew up in the 90s and early 2000s
As for that half of white mana, if you don't use it, you would burn for one half and drop to fifteen and a half
Once your opponent has taken the action to morph their creature face-up, you have no choice but to let it happen
First to three points wins the whole enchilada
But casual players tend to focus on fun more, in my experience, and how much fun can you really have with these effects
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