Alter

Choose one:
•Target an artifact or enchantment. Reveal the
top cards of your library until you reveal a white creature. If its mana cost is greater than the mana
cost of any creature target's controller has in play, target artifact or enchantment is destroyed.
Shuffle the revealed cards back into your library.
•Target instant spell named Sense is countered.
It had a powerful effect on the weak-minded.