Armor of Thorns

You may cast Armor of Thorns as though it had flash. If you cast it any time a sorcery couldn’t have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.
Enchant nonblack creature
Enchanted creature gets +2/+2.

Spiny Starfish

: Regenerate Spiny Starfish.
At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

Chaos Harlequin

: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn.

Library of Lat-Nam

An opponent chooses one —
• You draw three cards at the beginning of the next turn’s upkeep.
• You search your library for a card, put that card into your hand, then shuffle your library.

Soldevi Sentry

: Choose target opponent. Regenerate Soldevi Sentry. When it regenerates this way, that player may draw a card.

Shield Sphere

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

Soldevi Sentry

: Choose target opponent. Regenerate Soldevi Sentry. When it regenerates this way, that player may draw a card.

Wall of Kelp

Defender (This creature can’t attack.)
, : Create a 0/1 blue Plant Wall creature token with defender named Kelp.

Leeches

Target player loses all poison counters. Leeches deals that much damage to that player.

Ambush

Blocking creatures gain first strike until end of turn.

Evaporate

Evaporate deals 1 damage to each white and/or blue creature.