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'{X}, Sacrifice this enchantment: Destroy each artifact, creature, and enchantment with mana value X or less.
'({T}: Add {G}.)
'This land enters tapped.
When this land enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
'Counter target spell. Its controller draws a card.
Draw a card.
'({T}: Add {R}.)
'({T}: Add {G}.)
'This land enters tapped unless a player has 13 or less life.
{T}: Add {R} or {G}.
'This artifact doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap this artifact.
'({T}: Add {R}.)
'{T}: Add {B}.
'({T}: Add {B}.)
'Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with this enchantment....