Any number of creatures you control fight different creatures you don't control. Each other creature you control gets +3/+3 and gains trample until end of turn.

Defender, trample
At the beginning of combat on your turn, if you have at least 3 life more than than your starting life total, Thawing Yeti loses defender until end of turn. Otherwise, you gain 2 life.

[+2]: Each player puts their hand on the bottom of their library in a random order. You draw five cards, then each opponent draws two cards.
[+1]: Untap each land you control.
[–3]: Return up to three target nonland permanents to their owner's hands.
[–9]: You get an emblem with “Whenever an opponent casts their first spell each turn, gain control of it. You may choose new targets for that spell.”

Flying, vigilance
When The Army of Trax enters, create a number of 0/0 white Army creature tokens equal to your devotion to white. Then put that many +1/+1 counters on each Army you control.

Vigilance, reach
When Thundering Serpent enters, you gain 6 life.

Menace
When this creature enters, it deals X damage to any target, where X is the number of tokens you control.

Ward {2}
Cycling {G/U}

When Vishanki Ambassador enters, each opponent loses 3 life and you gain 3 life.
Basic landcycling {1}{R}

This spell can't be countered.
Flying, vigilance, trample
Players can't cast spells from anywhere other than their hands.
Spells your opponents cast that cost less than five mana to cast and target you and/or spells or permanents you control cost five mana to cast.

Flash
This spell costs {X} less to cast, where X is the number of Plains you control plus the number of cards with a cycling ability in your graveyard.
When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.
Plainscycling {2}

Flash
{2}{B}, Discard Zyxthax Apex: Each opponent loses 3 life and you gain 3 life.
{6}{B}{B}: Return Zyxthax Apex from your graveyard to the battlefield tapped with a finality counter on it.

As an additional cost to cast this spell, sacrifice a creature or enchantment.
Flying
When this creature enters, each opponent sacrifices a creature of their choice, then sacrifices an enchantment of their choice.

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

Haste
When Assault Engine enters, gain control of target creature and untap it. Sacrifice it at the beginning of the next end step.
Crew 2

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.

When this enchantment enters, if it was cast, return target creature card from your graveyard to the battlefield.
At the beginning of your upkeep, exile up to one target creature you control, then return that card to the battlefield under its owner's control.

Put target nonland permanent on the bottom of its owner's library. You gain 3 life.
Cycling {W/U}

Flash
Ward {3}
You may reveal the second card you draw each turn as you draw it. When you do, you may cast it without paying its mana cost. If you didn't cast a spell this way, create two Treasure tokens.

Trample
Landfall — Whenever a land you control enters, target creature blocks Brick Breaker this turn if able.

Choose one. If this spell's flashback cost was paid, instead choose three and you may choose the same mode more than once.
• Draw a card, then you may put a permanent card from your hand onto the battlefield.
• You gain 1 life for each permanent you control.
• Destroy target nonbasic, noncreature permanent.
Flashback {7}{G}{G}

When Cosmic Colossus enters, if you cast it from your hand, cast a copy of target card in exile without paying its mana cost unless an opponent exiles two nonland permanents they control.

Gain control of target permanent. Untap it. It gains haste until end of turn.

When Deathcap Guardian enters, exile any number of permanent cards from your graveyard. When you do, put X +1/+1 counters on Deathcap Guardian and up to one target creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Gain control of target creature. Untap it. It gains trample and haste until end of turn. Sacrifice it at the beginning of the next end step.
Cycling {2}

When Diamond Dust enters and whenever you cast a spell, put a +1/+1 counter on each creature you control.