The Mind Stone

Infinity Stone
Each opponent plays with their hand revealed.
{1}{p/u}:Look at the top card of target player's
library, you may exile that card.
{2}{p/b}: Choose a card at target opponent's hand,
that player exile's that card.
{5}{p/u}{t} Exile target spell.
You may play cards exiled with the mind stone,
and you may pay mana as though it was mana of
any color to play them.