Cruel Cadenza

(At the beginning of your upkeep, choose a mode that hasn’t
been chosen. If you can’t, sacrifice this enchantment.)

X is the number of modes that have been chosen for this enchantment.
• Target opponent sacrifices X creatures. Return up to X
target creature cards from your graveyard to your hand.
• Target opponent discards X cards. You draw X cards.
• This enchantment deals twice X damage to any target.
You gain twice X life.