dimir mtg cards Guildgate - Foil - Magic Singles » Special Editions » Modern Masters 2017 *Designed for Ultimate Guard sleeves Dimir Infiltrator (203) - Ravnica:

It clearly is a pushed card given the easiness with which the Cascade decks can hit their little combo

Wulfgar of Icewind Dale plays well with lots of the other cards on this list that have attack triggers, like how Savage Ventmaw gives you 6 mana

Scroll of Avacyn

Take a second look at the list of cards in Commander 2015 that are over $3

It can only be the commander, since your Commander deck has to be exactly 99 cards (100 with the commander), while Yorion requires your deck to have 20 more cards than the minimum to be the companion

This seems to provide some quick delineation of which cards are affected and which aren't that's relatively simple to implement in a game with lots of numbers