The Belligerent and Useless Island

(: Add .)

Gate to Seatower enters the battlefield tapped.

, : Seek a nonland card. Activate only once.

Equipped creature has flying.

Whenever equipped creature deals combat damage to a player, draw a card, then discard a card.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

This land enters tapped unless you control a basic land.

: Add .

, : Draw a card, then discard a card.

This land enters tapped.

: Add .

, , Sacrifice this land: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

(: 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.

: Add . This land deals 1 damage to you.

Threshold — , , Sacrifice this land: Target player draws three cards, then discards three cards. Activate only if there are seven or more cards in your graveyard.