mtg golgari cards Keyrune you gain 1 life and draw a card Golgari Rot Farm - Iconic

Can it be played instantly

A 2/2 creature with haste and a legendary Equipment card slots well in the 99 of Nahiri, Forged in Fury, Eivor, Battle-Ready, and Rograkh, Son of Rohgahh // Yoshimaru, Ever Faithful

It must be their leader

Keep in mind Rule 13 from the Commander rules: Abilities which refer to other cards owned outside the game (Wishes, Spawnsire, Research, Ring of Maruf) do not function in Commander without prior agreement on their scope from the playgroup

A 3/4 angel with flying that costs one red and two white, her entire gimmick is that any spell you cast that targets a creature you control gets exiled once it resolves