When you cast a tiered spell, you'll pick exactly one of those modes and pay its additional cost in addition to the spell's normal mana cost
My brother and I have also customized Yeti Ramblers with our dads catchphrases, which makes him laugh when he unwraps the gift
Twitching Doll Green has many variations of a 2-drop mana dork that fixes your mana
and there's a battle at a bridge with Tezzeret, and the narrative leaves with a teaser for the next movie, I mean story, hinting at the machinations of Thanos, I mean Bolas
The only downside is you lose one life at the beginning of your upkeep for each burden counter on The One Ring
At the same time, the worldbuilding team starts to work separately in parallel with Bowens team, figuring out what notes they want to hit with the card art and narrative