Chant of the Inferno

When a player sacrifices a permanent, choose one:
• Put a flame counter on Chant of the Inferno.
• Chant of the Inferno deals 1 damage to that
player and 1 damage to each opponent.
Remove XX flame counters and sacrifice Chant
of the Inferno: Put a creature card with mana
value X from your hand or command zone into
play. That creature gains haste and double strike
until end of turn. Activate only as a sorcery.