Unseen Walker

Forestwalk (This creature can’t be blocked as long as defending player controls a Forest.)
: Target creature gains forestwalk until end of 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.

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.

Ambush

Blocking creatures gain first strike until end of turn.

Evaporate

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

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.