Lord Petyr Baelish

Master of Coin-If an opponent would create a treasure token or cast a spell during your turn, create a treasure token. If Petyr Baelish would die destroy all treasure tokens you control.

Other blue creatures get +1/+0 for every artifact you control.

“Everyone wants something, Alayne. And when you know what a man wants you know who he is, and
how to move him.”