Pegana, Seer by the Sea

Creatures you control have lifelink.
Reveal a random card to another player: Draw a
card. Any player may activate this ability at any
time they could cast a sorcery. Opponents can
only activate this ability once per turn.
Whenever an opponent reveals one or more cards
from their hand, create an X/X black Horror
creature token, where X is the highest mana
value revealed.