The master tournament this bug, the restriction says dople tap, but you can play with any deck.

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Even a well-lit place can hide salvation, a map to a one-man maze that never sees the sun.
Where the lost are the heroes and the thieves are left to drown, but everyone knows by now fairy tales are not found they're written in the walls

yes, it's possible to put 3 cards of a kind and play with trophy cards and event cards (bolgas for example)
until banned cards in global are allowed...

i'll play with open deck, if not, it's impossible to play with normal restrictions against such decks