mtg search your library for a legendary card Magus of the Order [Commander Legends] put it into your hand There and Back Again |

She doesn't much care what they are either, working well with pretty much any legendary you like

For example, if two 3/3 creatures with mentor attack and both mentor triggers target the same 2/2 creature, the first to resolve puts a +1/+1 counter on it and the second does nothing

Nissa, Worldsoul Speaker Nissa, Worldsoul Speaker is a fine energy payoffcasting spells for any resource other than mana is inherently broken, after allbut I like it best as an energy generator

And the Helm is a slightly more expensive Chariot of Victory, but the Sword is still very strong, and the others are all good, especially together