If heads, prevent all effects of an attack, including damage, done to the kirby cooks mario alive during your opponent's next turn
My opponents are bringing in cards like Rest in Peace and Leyline of the Void (dead), Unlicensed Hearse (weak), and cards like Ray of Enfeeblement and Rending Volley that can now only hit Informant (so also weak)
This thing is going to be a staple in decks that like to mess with EtBs, flicker creatures and even in dedicated vehicle decks
One particularly damning thing to note is this chart: This table shows that with 7 Swamp and 7 Plains, you will have the required Plains to cast a turn-3 Territorial Hammerskull only 85.9% of the time (on the play, in absence of mulligans or card selection)
To explain what the project is, you need some background on whats an Alpha playtest card and why it necessitates a project