Combos Utilizing Rhystic-Deluge

one blue mana= unsummon, discard, lose two life damn that's nice !

Have Megrim, Cowardice, Rhystic and warped devotion in play. Use rhystic to bounce back creatures, devotion making the opponent discard and the megrim dealing 2 each time. Sweet!!!!!!!!!!!!!!!!!!!!!!!

Spend U and use Rystic Deluge to tap a creature. Tap King's Assassin to destroy that creature.

Spend U to attempt to tap opponent's creature enchanted by Betrayal. If your opponent doesn't pay 1 mana you get to draw a card.

play megrim then deluge and then cowardice in no particular order, then lay the rats for two then deluge it bring it back to your hand and repeat

Pay U and tap opponent's creature. Destroy it with the death stroke

Get both enchantments on the table.... Tap a blue, bounce a creature

Tap opponent's creature and then destroy it with the assassin.

play faeries, untap two lands. target faeries with deluge to return it to your hand. recast faeries. repeat. repeat. cast brain freeze forcing opponent to mill lots of cards