You pay a single red mana to put a creature onto the battlefield attacking with haste, which can be game over depending on what you have in hand
It's also very much ready to use (equip) the moment it transforms, so just fire away
However, as this theme develops and new proposals emerge, more specific answers will need to be released to establish a limiter that keeps the Metagame in a healthy state
Theyre one of the least disruptable ways to generate fast mana, at the expense of an entire card, usually making them key cards in unfair strategies
However, I never really got pulled into making a party deck, I felt like it was missing something Turns out the party mechanic was just missing a dash of evil
Other noteworthy cards which have yet to find a home Thrasta, Tempests Roar Looks to be just rightly costed, as enabling this is hard even for Modern standards