But you'll get so much use out of it in any kind of counter deck, especially because it's a two-cost permanent that sits on the battlefield giving you continued value
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As the world's jankiest brewers online have pointed out, you can also build a giant mutate stack, clone its effect with Deadpool, then find a way to bounce it back to hand and replay all the mutate creatures onto Deadpool (who is a mutant, not a human) for double the triggers
Courser was so good you would play it in aggro decks despite how defensive of a card it it
So typically, youd see 90 out of every 101 commons mathematically in a Set Booster box
These go on the Stack at the same time, and you can choose what order they go in - but each effect is identical, so it really doesn't matter