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Here are two rough drafts for the two teams I'm considering for VGC 2012...
SANDROOM
Cresselia @ Mental Herb
Ability: Levitate
EVs: 4 HP / 252 Def / 252 SpD
Relaxed Nature (+Def/-Spe)
-Trick Room
-Helping Hand
-Safeguard
-Protect
Cresselia is here to set up trick room, safeguard if needed...
Blissey @ Leftovers
Modest
EVs - 252 HP - 4 Defense - 252 Sp. Attack
Heal Pulse
Ice Beam
Thunderbolt
Protect
Blissey with its huge HP is used as both a supporter and an attacker. 252 HPs are so it is bulkier and recovers slightly more with leftovers. 252 Sp. Attack is so BoltBeam is even...
Would a Trick Room Team consisting of:
Yaichi the Jellicent
Zanji the Audino
Nisashi the Whimsicott
Yariza the Conkeldurr
Irou the Reuniclus
and Kamon the Druddigon
be viable???