First, make a deck with Royal Decree, Mirror Wall, Mimecat, Magician Of Faith, Monster Reborn, Meteor Black Dragon, Slate Warrior, Infinite Dimension, Conversion Factory, Robot Knight, Cyber Commander, Barrel Dragon, Limit Remover, Green Kappa, any terrain cards, and any other desired cards
Let's call this one the coup-de-grace
If it's a noncreature, nonland card, you may reveal it and put it into your hand
This is a dead giveaway for the card to get kicked back as altered
Once you have the total CMC of the nonland cards in your deck, the next step is to divide this number by the number of nonland cards in your deck
Unstable Amulet is the baby, baby, baby version of Flaming Tyrannosaurus, as it deals 1 damage to each opponent whenever you cast a spell from anywhere other than your hand