Delta snorlax or Delta metagross (spider)?

I just got the third badge and already have a team planned, but i can’t decide if i give delta snorlax or delta metagros (spider) the final spot on my team, could someone help me decide?

The team I’m aiming for is:

Delta charizard

Delta Haxorus

Delta hoserade

Delta gardevoir

Delta bisharp

Delta snorlax or delta metagros (spider)

I’m not a 100% certain off which moves i will give for which pokemon wet

(Sorry for my poor English, I’m not a English native speaker)