Collector boosters include: 1 traditional foil Booster Fun rare or mythic rare 1 non-foil Booster Fun rare or mythic rare 1 non-foil extended-art rare or mythic rare 1 non-foil extended-art Commander rare or mythic rare 1 traditional foil rare or mythic rare 1 traditional foil basic land 1 traditional foil common or uncommon, 2 non-foil commons or uncommons 2 traditional foil uncommons 4 traditional foil commons 1 traditional foil double-sided token Booster fun refers to whatever special treatments artists and designers give to cards in a specific set
It also works on artifacts, so you can have crazy charge counter synergies going on the Everflowing Chalices of this world
A valuable addition to any Magic: The Gathering collection
Its not an effective strategy by itself, but because the main methods of gaining life in this deck are passive, it allows us to focus on other things, such as casting removal spells, rather than proactively playing cards to gain us life (e.g
2019-05-03 If the chosen permanent is copying something else (for example, if the chosen permanent is another Spark Double), then Spark Double enters the battlefield as whatever the chosen permanent copied
Springbloom Druid provides a similar effect, enabling explosive turns where creatures like Sazh's Chocobo and Bristly Bill, Spine Sower grow rapidly