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'This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {R}.
'{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.
'This land enters tapped. {T}: Add {G}. {4}{G}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile...
'This land enters tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
'Descend 4 — This creature gets +2/+0 as long as there are four or more permanent cards in your graveyard.
'This land enters tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)
'Whenever this creature attacks, it gets +1/-2 until end of turn. {1}{R}{R}, {T}: Target creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player...
'{T}: Add {C}.
Other Caves you control have "{T}, Pay 1 life: Add one mana of any color."
'Enchant creature
Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.
'When this enchantment enters, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way,...
'Vigilance Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.) When this creature dies, add eight...
'{T}: Add {C}.
{1}, {T}: Add one mana of any color.
{4}, {T}, Sacrifice this land: Put two +1/+1 counters on target creature. Activate only as a sorcery.