MTG Combo: Teferi, Temporal Archmage + The Chain Veil + Thran Dynamo
While you have Teferi Temporal Archmage, The Chain Veil, and Thran Dynamo out, you can +1 Teferi to get a card into your hand, activate The Chain Veil using a land and Thran Dynamo, -1 Teferi to untap Thran Dynamo, The Chain Veil, and two lands, then repeat from when you +1'ed Teferi to get infinite mana and all the cards from your deck in your hand.