The Green one Leyline of Mutation lets you play your stuff with the alternate one mana of each color option, like Fist of Suns, and this cannot be played outside of that color combo in Commander
First off, she solves wanting to play multiple colors other than mono-white, while both mana fixing, ramping, and letting you dig to find the angels you want
War of the Last AllianceWar of the Last Alliance (30,964 Inclusions, 1% of 2,410,663 Decks) I'm torn on War of the Last AllianceWar of the Last Alliance
Both of these cards let you pay 2 generic mana to tutor up a basic land and gain 2 life
Go all the way to Level 3, and spells from outside your hand get a discountperfect for spellslinging decks
It even works in Commander