Since Ad Nauseam is an instant, you can try casting it on your opponents end step to get rid of their counterspell, and then untap and have access to all of your mana again to try and win with something else
You can choose not to have Deceptive Frostkite enter as a copy of another creature
Use cards like Sylvan Library, Scroll Rack, and Sensei's Divining Top to set the top cards of your library any way you like
A sold price is a fact
Jagged-Scar Archers Some elven archers are known for their prowess in killing flying creatures, and Jagged-Scar Archers is the perfect addition to any elvish typal deck, as you get to deal damage just by simply tapping the card
Or you can use multiple discard effects to spread the love around a fleet of creatures, kind of like Balmor, Battlemage Captain, except you get to draw cards