Decayed
You may cast The Venerable Veteran from your graveyard.

Draw a card if a creature you control has flying. Do the same for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

{1}, Sacrifice another creature: Put a +1/+1 counter on this creature.

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.

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

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}

To the Last Breath deals 4 damage to target attacking or blocking creature.

Tap another untapped creature you control: Toki gets +1/+1 until end of turn. If that creature had flying, Toki gains flying until end of turn. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance. Activate only as a sorcery.

Trailblazer Anarch has first strike as long as it's your turn.

Menace
Corrupt — When this creature enters, if you control a permanent with greater mana value, add {B}{R}.

You may mill two cards. Then destroy target creature if its mana value is less than or equal to the number of cards in your graveyard.

Mill three cards, then return a creature, enchantment, or land card from your graveyard to your hand.

Whenever a creature you control leaves the battlefield, put a +1/+1 counter on Traxian Hoplite.

Counter target spell with mana value less than or equal to the number of cards in its controller's graveyard.

Double strike

Destroy target creature if it's tapped or if it has toughness 4 or greater.

Whenever a Ruin you control becomes spellcharged, it gains haste until end of turn.
Spellcharge 2

Whenever this Subroutine runs, you gain 3 life if an opponent has more life than you. Create two 1/1 white Citizen creature tokens if an opponent controls more creatures than you.

When Ukina enters, create a 1/1 blue Bird creature token with flying.
Flow — {5}{W/U}: Look at the top two cards of your library. Put one into your hand and the other on the bottom of your library.

Revered
Trample
Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature.

Level up {3}{R}
[level 1-2] Sacrifice an artifact or enchantment: This creature gets +1/+1 until end of turn.
[level 3+] Sacrifice an artifact or enchantment: This creature gets +2/+2 until end of turn.

Untap any number of target creatures. They gain flying and protection from noncreatures until end of turn.

Golems you control without ward have ward {1}.
Unspeaking Titan can't attack or block unless you control three or more Golems.
Whenever Unspeaking Titan enters or attacks, tap up to one target creature and put a stun counter on it.
{3}, {T}: Create a 1/1 white Golem creature token.

Approval — {3}, {T}, Discard a card: Draw a card. This ability costs {X} less to activate, where X is the number of colors among permanents you control.

Whenever you gain control of a permanent you don't own or a permanent you don't own enters under your control, put a +1/+1 counter on Vagrant Sorceress.