Cara, the clueless

Eminence — You may pay {2}, if you do, target player has to answer your question or show his hand. Pay {2}{u}{g}, prevent all combat damage this turn.

Pay {u}, scry one
Pay {g}, draw a card
Pay {w}, gain one life
Whenever "Cara, the clueless" or her owner is dealt damage the owner of the damage source discards a card, then shows a card. If the player doesn’t "Cara, the clueless" gets protection from that player until the end of the players next turn.