Silvan, Shadow Stalker

Trample
Silvan, Shadow Stalker cannot be countered.
Whenever Silvan, Shadow Stalker deals
combat damage to a player that player must
discard a card at random, sacrifice a creature,
then you may add one {b} mana to your
mana pool.
Pay 8 life: Create a 5/5 black Wisp creature
token with flying and trample.