As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs less to cast for each creature tapped this way.
Explosive Singularity deals 10 damage to any target.
Explosive Singularity's additional cost can't reduce its cost below {R}{R}. You can tap any number of untapped creatures, however, even if they won't reduce the cost further.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.