Gate to Seatower

(: Add .)

Gate to the Citadel enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

(: Add .)

Gate to Manorborn enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

(: Add .)

Gate to Tumbledown enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

(: Add .)

Gate of the Black Dragon enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

This land enters tapped.

: Add .

, , Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

(: Add .)

This land enters tapped.

, : Look at the top card of target player's library. Activate only if you control two or more blue permanents.