It's already been called 'white's rhystic study', and will have a place in pretty much any Commander deck that uses white
Casting Cost: Card Type: Creature - Plant Zombie Power / Toughness: 1 / 1 Card Text: Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature
Every sliver takes on a grotesque and inhuman appearance
And fans can always cancel their pre-orders if they change their mind
Whenever a player attacks, if one or more players being attacked are poisoned, the attacking player draws a card
Its difficult to work out power level with strangers, so having a bigger list of the most powerful/problematic cards and then being able to say that three of them is level X, six is level Y, and so on, gives people a way to say, quickly and cleanly, how tuned and powerful their deck is