810 payoffs spread across the drain / counters / alt-win / card-draw buckets so no single removal spell turns you off
Casting Cost: Card Text: (Gain the next level as a sorcery to add its ability.) You have no maximum hand size
However, if you choose any targets, and all of those targets are illegal by the time Daring Discovery tries to resolve, it won't resolve and none of its effects will happen
If you want some more Commander Masters content, my fellow writers have it covered with more deck upgrade guides
I second the notion of running stuff like whirler to give you fodder
Other rule changes include not being able to play a Supporter card on your first turn, several instances of card errata to improve or clarify pre-existing cards, a new design for the powerful draw-seven Pokemon Professor cards, a new Pokemon Checkup phase between turns, the new term Recover which signifies the removal of special conditions, and an explanation of the new Regulation Marks to make format rotations easier to understand