I like all of the critical mass cards, except Chameleon Colossus, because I hate protection as a static ability
If Captain America is no longer on the battlefield at the time his last ability resolves, use his toughness as he last existed on the battlefield to determine the value of X
This caused some waves in Historic when it first came out mainly because it was brought out around the same time as Davriel's Withering
7 Choco-Comet The Angry Chocobo While not a Chocobo creature card, Choco-Comet is still a great Chocobo card that creates the standard 2/2 Bird token many Chocobo support cards do
7 Varragoth, Bloodsky Sire Tutoring is one of the most powerful abilities in Magic: The Gathering, allowing you to search your library for a specific card you want
These all cost one mana and make it difficult for your opponents to remove Feather or your other creatures