Marty, Internet Pirate

Whenever you cast a spell with X in its mana cost,
lose 3 life. Whenever you cast a spell for less than
it's mana value, create a Treasure token. Whenever
you cast a spell without paying mana, draw a card.
Sacrifice a Treasure: transform into Marty, Tax Collector.
"Yarrr, ye be paying how much for that there bauble!?"