The amount of damage character cards can Resist will depend on the number listed next to the keyword for example, Resist +1 will enable that character to avoid taking one damage whenever theyre challenged

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No Snake token will be created
This, plus Training Grounds
Eternal Witness: recursion
Infect is a mechanic that does this pretty well, but you can also use spells such as target creature gets -2/-2 until end of turn or something similar