King's Drop Ruby

Red spells your opponents play cost {1} more to cast.

Whenever an opponent casts a red spell, they may sacrifice an artifact or creature. If they don't, choose one of the following:

•You gain 2 life.
•Scry 2, then draw a card.
•Destroy target enchantment.

The King's Drop is rumored to be a piece of the Stone of Ten Dawns, a legendary perfect gemstone.