A lot of testing new cards involves playing with them, so playtesting itself involves a lot of math just in the gameplay alone
If, during a player's declare attackers step, a creature that player controls that's been goaded is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under that player's control continuously since the turn began (and doesn't have haste), then it doesn't attack
Szadek, Lord of Secrets is a seven mana Blue and Black 5/5 with flying that really wants to hit your opponents in the face
Elijah Gonzalez is an assistant Games and TV Editor for Paste Magazine
However, nothing beats getting it directly from the source, for free, simply by enjoying a movie you likely planned to watch anyway
At the very least, your opponents cant chump with random tokens while this is in play