Sacrifice each creature you control. Each opponent sacrifices that many creatures. Draw a card for each creature that's died this turn.

Enchant creature
As long as enchanted creature has flying, each creature you control has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

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

Choose one —
• Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control.
• Destroy each artifact or enchantment with mana value less than or equal to the power of target creature you control.

Whenever you cast a creature spell, put X depth counters on Tide's Ire, where X is that spell's mana value.
Remove ten depth counters from Tide's Ire: Create an 8/8 blue Kraken creature token.
Remove thirty depth counters from Tide's Ire: Create Tromokratis, a legendary 20/20 blue Kraken creature token with trample and hexproof.

{T}: Add one mana of any color. Put a tide counter on Tidelock Pearl.
{1}{U}, {T}, Sacrifice Tidelock Pearl: Search your library for a Kraken, Leviathan, Octopus, or Serpent card with mana value less than or equal to the number of tide counters on Tidelock Pearl, put it onto the battlefield, then shuffle.

Tidewake Walker enters with a hexproof counter on it.

Flying
Ward—{2}, Pay 2 life.
Whenever you cast a noncreature spell, draw a card.

Destroy target creature. If that creature entered this turn, scry 2.

{T}: Add {C}.
{4}, {T}, Sacrifice Timeworn Crags: Destroy target nonbasic land. This ability costs {1} less to activate for each nonbasic land you don't control.

Spellcharge 2

When Tireless Aspirants enters, you may draw a card. If you do, discard a card.
Wander {1}{U}

Choose up to one for each color among white, blue, and black among permanents you control.
• Return target artifact or enchantment card from your graveyard to your hand.
• Return target instant or sorcery card from your graveyard to your hand.
• Return target creature or planeswalker card from your graveyard to your hand.
Exile Tiril Agenda.

When Tiril Ambassador enters, you may return target nonland card from your graveyard to your hand. You lose life equal to its mana value.
Basic landcycling {1}{U}

Tiril District enters tapped unless you control a Plains, an Island, and a Swamp.
{T}: Add {W}, {U}, or {B}.

Ward {2}
Whenever an enchantment you control enters, put a +1/+1 counter on Tiro, the Silent Blade.

Titan's Stairs enters tapped.
{T}: Add {R} or {W}.
{3}{R/W}: Titan's Stairs becomes a 2/2 red and white Archon creature with flying until end of turn. It's still a land. This ability costs {X} less to activated, where X is your devotion to red and white. Activate only once each turn.

Equipped creature gets +2/+0 and has protection from permanents and spells with greater mana value than itself. This effect doesn't remove Titansbane.
Equip {2}{W}

At the beginning of your end step, target player discards a card or sacrifices a nonland, nontoken permanent. If that card or permanent shares a card type with a card integrated onto Tithe to the Machine, they lose 3 life. Then integrate that card.

As an additional cost to cast this spell, sacrifice a creature.
Return to the battlefield target creature card from your graveyard with mana value less than or equal to 2 plus the sacrificed creature's mana value.

When Together in Arms enters, create two 1/1 colorless Soldier creature tokens.
You controlled a spell that targeted a creature you controlled this turn.
You controlled an ability that targeted a creature you controlled this turn.

Spend only mana of different colors to cast this spell.
For each color among permanents you control, the first multicolored spell you cast each turn costs one mana of that color less to cast. This effect reduces only the amount of colored mana you pay.

As Top of the Charts enters, choose a mana value.
Creatures with the chosen mana value get +1/+1. All other creatures get -1/-1.

First strike
Whenever Tormenting Lightrider attacks, if defending player has 10 or less life, Tormenting Lightrider gains double strike until end of turn.
At the beginning of your end step, if a creature died this turn, each opponent loses 3 life unless they discard a card or sacrifice a nonland permanent.

As an additional cost to cast this spell, discard a card.
Draw two cards.