: Add ., : Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)I — Urza's Saga gains ": Add ."II — Urza's Saga gains ", : Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"III — Search your library for an artifact card with mana cost or , put it onto the...
As Cavern of Souls enters, choose a creature type.: Add .: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
When you cast this spell, draw four cards.Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.)When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
Fading 5 (This enchantment enters with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)Remove a fade counter from Parallax Wave: Exile target creature.When Parallax Wave leaves the battlefield, each player returns to the battlefield all cards they own exiled with Parallax Wave.
Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)Exile Teferi's Protection.
If an opponent would mill one or more cards, they mill twice that many cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)
If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.: Add . If Gemstone Caverns has a luck counter on it, instead add one mana of any color.
Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creature spells.
