That process is exponentially more complicated for trading card games, whose rule books are a living documents that grows and changes four times a year
Big Score/Unexpected Windfall [c]Big Score[/c] (or [c]Unexpected Windfall[/c], which is basically the same card) are like the previous entry, but with the additional upside of creating two Treasure tokens
Play creatures with your (usually) doubled mana, and then draw cards to keep playing more creatures to keep drawing more cards
It's not unusual for this creature to swing as a 3/4 or even a 4/5, and its timeshifted edition is worth $11.50
Its a random Common self-exile spell from March of the Machine which doesnt really have anything to do with this deck or its game plan
If you really want to get silly with it, you can pack your deck with creature lands with the intention to animate and sacrifice them