Spells your opponents cast that target Charix, the Raging Isle cost more to cast.

: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

Shroud (This creature can't be the target of spells or abilities.)

Isleback Spawn gets +4/+8 as long as a library has twenty or fewer cards in it.

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Flying

Whenever you scry, put a verse counter on Lost Isle Calling.

, Exile Lost Isle Calling: Draw a card for each verse counter on Lost Isle Calling. If it had seven or more verse counters on it, take an extra turn after this one. Activate only as a sorcery.

Target creature's owner puts it on the top or bottom of their library.

Flying (This creature can't be blocked except by creatures with flying or reach.)

: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue.

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

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Shelldock Isle enters the battlefield tapped.

: Add .

, : You may play the exiled card without paying its mana cost if a library has twenty or fewer cards in it.

Flying

Shroud (This creature can't be the target of spells or abilities.)

You may look at the top card of your library any time.

(: Add or .)

Tangled Islet enters the battlefield tapped.

Thriving Isle enters the battlefield tapped.

As Thriving Isle enters the battlefield, choose a color other than blue.

: Add or one mana of the chosen color.