Sanctum of Calm Waters 

Legendary Enchantment — Shrine
At the beginning of your first main phase, you may draw X cards, where X is the number of Shrines you control. If you do, discard a card.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL