Demonic Tutor Black is great at tutoring
Green gets extra mana from mana dorks (creatures with the ability to tap for mana like lands do), by putting extra lands into play using spell effects (referred to as ramp), and by enchanting its lands to produce more mana than usual
This is because it can reanimate Birds
Also, the cost will vary depending on the condition of the card
Sacrifice after III.) I This Saga gains ": Add ." II This Saga gains ", : Create a 0/0 colorless Construct artifact creature token with 'This token gets +1/+1 for each artifact you control.'" III Search your library for an artifact card with mana cost or , put it onto the battlefield, then shuffle
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