Sliver's Shreking Scream

Each opponent may discards 2 cards, loses 3 life and sacrifices a creature.

Create a 1/1 colorless Sliver token for each card discarded this way.

For each opponent who doesn't, that player can not play spell on their next turn.

"The scream of the swarm is at time more fearfull then the hoard its self" - Sliver lore keeper