The 8 mana to transform Kefka, Court Mage into Kefka, Ruler of Ruin sounds prohibitively expensive, but if it does come up youll be buried in even more cards
Decks that can put a lot of creatures on boardtokens or otherwisewill likely see an easy path to victory if they can hit the proper density of creatures to start activating Jazal multiple times per turn
Yes, you can lose to your own commander's damage
Simply put, madness lets you play a card for an alternate (often cheaper) cost if its being discarded
(2018-01-19) In a Two-Headed Giant game, Arterial Flow causes the opposing team to lose 4 life, and each player on that team discards two cards
Excellent: Slight wear and tear, but no significant damage