What if they decide they don't want to trade
Drownyard Temple, Llanowar Wastes, and Hedron Crawler arent a ton of colorless sources, but we wont need one until late, and the Temple jumping out of the graveyard means we never even have to draw one if we mill enough
Scaling Mana Costs Tiered Spells let you choose how much mana to pay, the more you pay, the bigger the spell
Given the randomness of the boosters in each pre-release as well as the the structure of the tournament, Pre-Releases are pretty casual events which make them great for FF fans coming to Magic for the collaboration
For example, if you cast Kytheon, Hero of Akros, you still need to wait a turn to attack
Had you worked in the board game space before