Equipped creature gets +2/+1 and has “At the beginning of your end step, put a time counter on Blade of Clouded Pasts.”
{2}, Sacrifice Blade of Clouded Pasts: Target player loses X life and discards X cards, where X is one plus the number of time counters on it. Activate only as a sorcery.
Equip {2}

Enchant player
Enchanted player may cast blue spells with mana value less than or equal to their devotion to blue without paying their mana costs.

Flash
When Blind Keelah enters and whenever you cast a spell during an opponent's turn, each opponent loses 1 life and you surveil 1. This ability triggers only once each turn.

Flying, haste
When Blistering Cryophoenix enters, discard any number of cards, then draw that many cards.
If a spell you own which had its flashback cost paid would be put into exile, put it into your hand instead.

Trample
Breaking Ground must be blocked if able.
{T}: Add {C}.
Spellcharge 9

You may cast this spell by paying {1}{R}{R} and exiling X cards with flashback from your graveyard rather than paying its mana cost.
Bring Down the Sky deals X damage to each creature and each planeswalker.

{1}{W}{W}, Exile Bring the House Down from your hand: At the beginning of your next upkeep, you may cast Bring the House Down from exile without paying its mana cost. Activate only as a sorcery.
Destroy all creatures.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. If this spell's flashback cost was paid, instead search your library for any number of land cards, put them onto the battlefield tapped, then shuffle.
Flashback {3}{W}{U}{B}{R}{G}

Vigilance
Whenever Builder of Monuments attacks, put a build counter on it. Then you may search your library for an artifact or enchantment card with mana value less than or equal to the number of build counters on Builder of Monuments, put that card onto the battlefield, then shuffle.

You can't cast noncreature spells.
Creature spells you cast cost {X} less to cast, where X is the greatest power among creatures you control.

Buried Colossus enters tapped.
{T}: Add {G} or {W}.
{8}{G/W}: Buried Colossus becomes a 8/8 green and white Cyclops creature until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to green and white. Activate only once each turn.

All spells cost {1} more to cast.
Spellcharge 6

Callaphe can't be blocked by creatures with mana value 4 or greater.
Whenever Callaphe the Mariner deals combat damage to a player, you get an experience counter. Then if you have three or more experience counters, bless target player.

Counter all other spells. Exile up to one spell countered this way instead of putting it into its owner's graveyard. You may cast that spell for as long as it remains exiled, and mana of any type can be spent to cast it.

Whenever a creature you control deals combat damage to an opponent, exile the top card of their library. Until end of turn, you may play that card, and mana of any type can be spent to cast it.
Spells you cast and don't own cost {1} less to cast.

Whenever you attack, draw a card for each attacking creature with power 4 or greater, then put a +1/+1 counter on each attacking creature with power 3 or less.

Once each turn, when Carefree Kappa enters or becomes the target of a spell or ability, you may create a Weather enchantment token that's all colors named Looks Like Rain with “Whenever you attack, you gain 1 life.”
Carefree Kappa gets +1/+1 for each Weather you control.

Wander {2}{W}{W}
[–1]: Create your choice of a 1/1 white Bird creature token with flying or a 2/2 black Cat creature token.
[–2]: If a permanent entering the battlefield under your control this turn causes an ability of a permanent you control to trigger, that ability triggers an additional time.
[–3]: Put a +1/+1 counter on each creature you control.

Draw a card if you discarded a card this turn.
You gain 3 life if you've lost life this turn.
Create a 1/1 white Golem creature token if a creature you controlled left the battlefield this turn.

At the beginning of your end step, for each opponent with an even number of cards in hand, they lose 3 life and you gain 3 life.
[+1]: Target player draws a card and loses 1 life.
[–4]: Target opponent exiles one or more cards from their hand. Then you may have that player exchange their hand and the exiled cards.

Flying, haste
When Chainbreaker's Familiar enters, exile target instant or sorcery card from your graveyard. You may cast a copy of that card until the end of your next turn.
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, you may return Chainbreaker's Familiar from your graveyard to your hand.

Whenever Chamille, AAA-Lister attacks, target nonlegendary creature can't block it this turn.
Whenever Chamille deals combat damage to a player, put a +1/+1 counter on it, then create a Treasure token for each counter on it.

Amity — Whenever you attack with Charged Party and exactly one other creature, create a token that's a copy of Charged Party that's tapped and attacking, except its power and toughness are switched. Sacrifice the token at the beginning of the next end step.

Flying
Whenever Chief Executive Dhante enters or attacks, create a Treasure token, then you may pay {X}. Spend only mana from artifact sources, and X can't be 0. When you do, destroy target nonland permanent with mana value X or less.

First strike
When Chosen of Heliod enters, bless target creature.
{4}{W}{W}: Bless target creature you control. Activate only as a sorcery.