digimon card game 1999 Hyper Colosseum - Graded Slabs Rookie Digimon trading card 1999

You can earn free booster packs by defeating computer-controlled opponents in the Trainer Challenge

You can only use each effect of "The Sacred Waters in the Sky" once per turn

This could allow for designs where white has utility spells that also can white copy creatures, and utility creatures who can white copy spells

You can see how this works, and it's a cool concept for the card's beauty & the beast theme

if Fires of Invention was your second (or third, or fourth) spell that turn, you can't cast another spell at all

The fact that Siegebreaker itself has Haste means you dont have to miss a step here, either, keeping the pressure up while also building value