They are instantly very playable even if they are not of standout power level
However, Guardian Projects ability may trigger for the new creature and you may draw a card as that ability resolves
He dashed across branches
Aerith, Last Ancient Aragorn, Company Leader Arcus Acolyte Arwen, Mortal Queen Behemoth Sledge Civil Servant Congregation Gryff Danitha, New Benalia's Light Dragonlord Dromoka Elderwood Scion Emmara, Soul of the Accord Garnet, Princess of Alexandria Ghalta and Mavren Heron's Grace Champion Jukai Naturalist Lathiel, the Bounteous Dawn Ledev Champion March of the Multitudes Merry, Warden of Isengard Polukranos, Engine of Ruin Ready // Willing Seraphic Steed Shelinda, Yevon Acolyte Shuri, the Black Panther Sigardian Paladin Tolsimir, Midnight's Light Trostani Discordant Unflinching Courage Yuna, Hope of Spira
By repeatedly removing +1/+1 counters from Spike Feeder to gain life, Archangel's ability would replace those counters
Very important: Tape the toploader to the envelope