Binance.com has opened the direct withdrawal for MATIC token to Polygon network. You can get MATIC token for any currency that it's traded for on binance.com. Then go to Wallet section and press Fiat and spot
Search for MATIC token in your wallet and press Withdraw button
Once you get to the withdrawal page please be sure to select the correct network for your transfer. Please click onto Select WithdrawalNetwork field
Choose Matic (Polygon) network for withdrawal
Then paste the address to withdraw to and the preffered amount. Confirm all security notifications so the withdraw is succesful.
Once you get MATIC tokens in your Polygon wallet you can swap it into USDC via quickswap.exchange to take part in DGold presale activities.