Phyrexian Arena [Planechase] Friday Night Magic 2010 Maro-Sorcerer's power and toughness are

Maro-Sorcerer's power and toughness are each equal to the total number of cards in all players' hands

put a +1/+1 counter on Khabál Ghoul for each creature that died this turn

Set: Antiquities Type: Artifact Creature — Shapeshifter Rare Cost: {6} {0}: Urza's Avenger gets -1/-1 and gains your choice of banding

they are actually extremely social animals

{T}: Destroy target black permanent

Phyrexian Arena [Planechase] Friday Night Magic 2010 Maro-Sorcerer's power and toughness areSet: Planechase Type: Enchantment Rare Cost: {1}{B}{B} At the beginning of your upkeep, you draw a card and you lose 1 life. A drop of humanity for a sea of power.