Use your powerful [Blocker] cards and the large number of cards in your hand to completely shut down your opponent's attacks
However, since Noswemko's effect is resistant to effect destruction, it doesn't feel particularly threatening other than its 2700 attack power, and all you have to do is destroy it in battle
A Little Chat, Damnable Pact, Body Count, Deep Analysis, Drawn from Dreams, Fact or Fiction, Mystic Confluence, Xander's Pact, Dig Through Time, Cryptic Pursuit, Smuggler's Buggy, along with some card selection that I didn't count like Ponder 11 card draw
[1] There are two exceptions: Draft formats (like Cube, or Limited) can have 4-16 players
These decks can only be purchased with gems so you really need to weigh if you want to play the deck or not
However, not every Jumbo card is rare