Since it only cares about cost and not mana spent, cost reducers like Lyse Hext and Valeria Richards, Precocious are a great help, too
Since the primary way of getting the Hearthstone cards you need for a deck is by turning cards into dust and then buying the other cards with the deck, the first step to figuring out how much a Hearthstone deck costs is determining the real-world value of dust
Whenever this creature mutates, exile cards from the top of your library until you exile X permanent cards, where X is the number of times this creature has mutated
He even murdered his own brother in his quest for power
What if the commander is part of a five-card combo
This card has constantly overperformed for me in reactive decks, and the only downside is the high mana cost