Doing so causes the card to be exiled after it resolves (or is countered, if you're unlucky)
The keystones of the cycle are for sure Basculegion and Blastoise
R Rare Blind Obliteration X TRAP Roll a six-sided die twice and destroy all face-up monsters with Levels/Ranks lower than the total roll
Gengar Prime might be something to think about here as it can potentially buy you time and disrupt your opponent at the same time
Its good, no doubt, but it isnt as oppressive as Mega Charizard Y EX, Mega Venusaur EX, or even fellow Water type, Mega Gyarados EX
Marina Vendrells Grimoire Marina Vendrell's Grimoire provides a massive burst of card draw with the promise of more on the way if you gain some life, which isnt hard if you pair this with cards like Oloro, Ageless Ascetic and Cosmos Elixir