mtg search your library for a legendary card Momir Vig, Simic Visionary [Dissension] Zur the Enchanter

However, I came up with the title Bulk Up without knowing that there was a card from the set with that same name

Also, casting a spell with flashback doesn't change its mana value

It gets a +1/+1 counter on it whenever you cast a creature spell, and then makes each creature spell you have cost one mana less to cast for each +1/+1 counter on it

Although grading random Unlimited cards is not as popular as grading any Alpha or Beta card, it can still be profitable for higher value cards

There are plenty of existing archetypes which naturally build a high storm count just by chaining together cheap permanents, be those elves, equipment, or expendable bauble style artifacts

Marrow-Gnawer is the archetypes beating heart: all your Rats gain fear (nearly unblockable), and you can tap-and-sacrifice a single Rat to create X tokens equal to the number of Rats you control