CardName: Opalescent Cove
Cost:
Type: Land - Plains Island
Pow/Tgh: /
Rules Text: ({t}: Add {w} or {u} to your mana pool.)
When Opalescent Cove enters the battlefield, sacrifice it
unless you exile another land you control.
{1}{W}{u}, {t}, Put the exiled card onto the battlefield:
Exile target noncreature spell.
Flavour Text:
Set/Rarity: Link's Unplaced Cards Rare
Opalescent Cove
R
Land – Plains Island
(: Add or to your mana pool.) When Opalescent Cove enters the battlefield, sacrifice it unless you exile another land you control.
, , Put the exiled card onto the battlefield: Exile target noncreature spell.
Cycle Proposals:
: Mill? Discard 2?
: "Target player loses 4 life.".
: "Creatures you control gain haste, trample, and first strike UEOT.".
: "You gain 4 life. Your life total can't be lowered this turn.".
: "Return target permanent card with CMC 2 or less from your graveyard to the battlefield.".
: "Exile target instant, sorcery, or artifact card from your graveyard. You may cast that card this turn."
: Add 
or 
to your mana pool.)
See Shattered Shelf.
Cycle Proposals: 
: Mill? Discard 2? 
: "Target player loses 4 life.".
: "Creatures you control gain haste, trample, and first strike UEOT.".
: "You gain 4 life. Your life total can't be lowered this turn.".
: "Return target permanent card with CMC 2 or less from your graveyard to the battlefield.".
: "Exile target instant, sorcery, or artifact card from your graveyard. You may cast that card this turn."