As an additional cost to cast this spell, tap any number of untapped creatures you control. Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.
Burn from Within deals X damage to any target. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.
Enchant creature At the beginning of your upkeep, you may look at the top five cards of your library. If you do, you may put a creature card that shares a creature type with enchanted creature from among them onto the battlefield, then you put the rest of those cards on the bottom of your library in any order.
Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Morbid — You may put that card onto the battlefield instead of putting it into your hand if a creature died this turn.
"The appearance of these warped stones throughout the provinces is too pervasive to be random. More evidence is needed to determine the reason behind them." —Tamiyo's journal
As Cavern of Souls enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
{3}, {T}: Target player puts the bottom card of their library into their graveyard. If it's a creature card, you create a 2/2 black Zombie creature token.
As if anyone needed another reason to avoid dark, dank cellars.