I found several tutorials online for making these boxes from ordinary playing cards, so here is my version of the same thing, but with Magic cards
Not only do you get a damage ping for each spell cast, but Vivi starts to grow and then gives you access to a bunch of extra mana, probably enabling your bigger spells for the blue/red archetype
There are nine different 'Splicer' creatures in Magic, with them being Human Artificer (for the most part) creatures that make a 3/3 Golem creature token and then grants them some effect like first strike or trample
Sometimes, it's a creature's power and toughness that get misprinted, such as the case with the Anthologies printing of Mirri, Cat Warrior
Muldrotha, the Gravetide Muldrotha, the Gravetide takes the cake for the most powerful new Commander card out of Dominaria and is already generating a lot of buzz throughout the community