mtg valkyrie commander deck Giada EDH | Angel Lifegain Deck if you gained 4 or more life this turn Official MTG Commander Rules Update

Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Relic of Legends: You can tap any untapped legendary creature you control, including one you haven't controlled continuously since the beginning of your most recent turn, to pay the cost of Relic of Legends's activated ability

EDHREC says that: Tainted Aether is registered 762 times which puts it pretty far back there

If you can sacrifice two creatures, this card will make each opponent sacrifice a creature, lose 2 life and you will get 2 black mana and draw a card

They have basic land types, such as Geothermal Bog being a Swamp and Mountain