mtg saheeli commander deck Elite 5-Color Shrine - Go-Shintai of Life's Origin - EDH - 100 Card - Custom Magic The Gathering Deck the Gifted Magic the Gathering: Commander 2018

This legendary artifact lets you play the top card from your deck anytime you like, while swapping their mana costs out for an equivalent life lost exchange

This galaxy once knelt before us, and it will do so again. Illustrated by David Sondered Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp

Herald's Horn [Cat deck]: It can go into any tribal deck

Of course, this is made easier by the fact that each deck contains a Sol Ring (#1 card in Commander) and a Commander's Sphere (#3 card in Commander), but Open Hostility gets both Skullclamp and Lightning Greaves, which rank in the top 20 cards in Commander