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I can see Exeggutor being a decent dual-screener this gen.
Exeggutor @ lum berry
harvest
252 HP 54 Def 200 Sp Def
Bold
-light screen
-reflect
-toxic
-rest
although sacrificing not using light clay may not be such a great idea.
I've checked and i've checked and i've checked yet I can't find anywhere how to get wish and bellydrum onto a clefable. Apparently its' illegal. Someone please prove me wrong!