Exile all artifacts, creatures, and enchantments. Each player's life total becomes equal to their starting life total.

Gain control of target creature with mana value less than or equal to your devotion to blue.

Acid Hydra enters with X +1/+1 counters on it.
Drop — When Acid Hydra enters, search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Then return that creature to your hand unless you didn't cast any creature spells during your last turn.

Flying, deathtouch

Vigilance
Whenever another creature you control dies, return to your hand target enchantment card from your graveyard with lesser mana value.

Flying, vigilance
Other creatures you control are Armies in addition to their other types.
At the beginning of your end step, create a 0/0 white Army creature token, then put a +1/+1 counter on each Army you control.

Flying
When Alrantan Skywatch enters, create a 1/1 white Human creature token and draw a card.

Vigilance, reach, trample, ward {3}
Ancient Cloudgrazer enters with X +1/+1 counters on it.

Favored
Whenever your Champion deals combat damage to a player, create that many Treasure tokens.

Reach
If a creature you control would deal combat damage to a permanent or player, you may have it deal damage equal to your devotion to green instead.

Flying, vigilance, lifelink

Flying
Favored
Whenever your Champion attacks, create a 0/0 white Army creature token, then put a +1/+1 counter on each Army you control.

Menace
Creature tokens you control get +1/+1, have haste, and must attack each combat if able.
At the beginning of combat on your turn, create a 1/1 red Soldier creature token.

Army Reserves enters with X +1/+1 counters and a defender counter on it.
{1}: Move a counter from Army Reserves onto another target creature. Activate only as a sorcery.

Flying, haste
Whenever you cast a spell that targets a creature you control, you may return Ashlands Phoenix from your graveyard to your hand.

Menace
When Askir enters, each opponent loses life equal to the amount of life they've lost this turn.
Wander—{1}{B}{B}, Pay 4 life.

This spell can't be countered.
Haste
Whenever an opponent casts a spell during your turn or spends at least five mana to cast a spell, Aspirant's Bane deals 5 damage to that player.

Choose any number —
• Each player sacrifices an enchantment.
• Each player sacrifices an artifact.
• Each player sacrifices a creature.

Exile target nonland permanent.

When Audacious Roughrider enters or leaves the battlefield, exile the top card of your library. Then you may discard a card. If you do, put the exiled card into your hand. If you don't, create a Treasure token.
Wander {4}{R}{R}

Favored
Whenever a legendary creature you control attacks, create a tapped and attacking token that's a copy of that creature, except it's not legendary and is an enchantment in addition to its other types.

Flying
Drop — Whenever Avatar of the Airwaves or another creature you control enters, if the entering creature was cast and you didn't cast any creature spells during your last turn, create a token that's a copy of target non-Avatar creature you control.

Menace
Drop — Whenever Avatar of the Decks or another creature you control enters, if the entering creature was cast, sacrifice a permanent unless you didn't cast any creature spells during your last turn.

Vigilance
Drop — Whenever Avatar of the Festival or another creature you control enters, if the entering creature was cast and you didn't cast any creature spells during your last turn, you may have your life total become the total power and toughness of creatures you control.