One of the biggest drawbacks of discard in general is that your opponent needs cards in hand for it to be effective
Drawing a card is always going to be among the best possible payoffs for a Draft archetype, and even though this is a tad too expensive, it should be well worth it in your double spell deck
If an X-spell youre casting has cascade, X adds to the total mana value of the spell while its on the stack, which increases the range of spells you can cascade into
Fun Ranking: Want to Build Kolodin, Triumph Caster Seems like a great Vehicle and Mount commander
For example, challenges to a character with Resist+2 are reduced by two points before damage is assigned - this makes them beefy challengers in their own right or valuable questers who can withstand blows from your opponents before being banished
9 - Dawns Truce Half Surge of Salvation and half Teferi's Protection, Dawn's Truce allows protecting permanents and combos from removals, yourself from combos and other types of interactions for a lower cost than the most comprehensive card, but also greater than Surge of Salvation