Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Silverquill, the Disputant: Casualty N means "As an additional cost to cast this spell, you may sacrifice a creature with power N or greater." and "When you cast this spell, if a casualty cost was paid for it, copy it
Blue Suns Zenith Blue Sun's Zenith stands in for all the X-cost draw spells, which includes everything like Finale of Revelation, Sphinx's Revelation, Commander's Insight, Diviner's Portent, and more
It's a little expensive though, and sometimes you'll only get one card
They will then send your cards to PSA for grading
That said, underestimating the sheer mana output of some of reds best mana accelerators can be a game ending mistake