Illusory Angel

Cast this spell only if you've cast another spell this turn.
Flying

Lore Weaver

Partner with Ley Weaver (When this creature enters, target player may put Ley Weaver into their hand from their library, then shuffle.)
{5}{U}{U}: Target player draws two cards.

Nimbus Champion

Flying
Whenever Nimbus Champion attacks, you may return target creature to its owner's hand if that creature's power is less than or equal to the number of Warriors your team controls.

Comparative Analysis

Surge {2}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Target player draws two cards.

Out of Bounds

Assist (Another player can pay up to {3} of this spell's cost.)
Counter target spell.

Spectral Searchlight

{T}: Choose a player. That player adds one mana of any color they choose.

Chakram Retriever

Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.)
Whenever you cast a spell during your turn, untap target creature.

Delay

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

The Surgical Bay

The Surgical Bay enters tapped.
{T}: Add {U}.
{1}{U}, {T}, Sacrifice The Surgical Bay: Draw a card.

Island

Bonder's Ornament

{T}: Add one mana of any color.
{4}, {T}: Each player who controls a permanent named Bonder's Ornament draws a card.

Huddle Up

Assist (Another player can pay up to {2} of this spell's cost.)
Two target players each draw a card.

Suspend

Exile target creature and put two time counters on it. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)