Put a number of +1/+1 counters on target creature equal to your devotion to green.

Flash
When Omen of Victory enters, create a 0/0 white Army creature token, then put two +1/+1 counters on it.
{2}{W}, Sacrifice Omen of Victory: Scry 2.

Level up {1}{G}
[level 1-3] At the beginning of your end step, target player mills two cards.
[level 4+] At the beginning of your end step, target player mills five cards.

Integrate target creature or creature spell with mana value 3 or less.

Fabric — When this creature enters, add X mana in any combination of colors, where X is the number of enchantments you control.
{1}{R}, Discard a card: Draw a card.

Indestructible
As long as your devotion to blue and red is less than seven, Keranos isn't a creature.
Noncreature spells you cast cost {1} less to cast.
Whenever you cast a noncreature spell, Keranos deals 1 damage to each opponent.

{1}, Sacrifice Auto Sifter: Search your library for a basic land card, reveal it, put it into your hand, the shuffle.

When this creature enters, create a 1/1 white Monk creature token with vigilance.
Flow — {3}{U}: This creature can't be blocked this turn.

At the beginning of your end step, put a +1/+1 counter on each tapped creature you control.
{G}{W}{U}, Remove five counters from among creatures you control, Sacrifice Severin's Masterwork: Create Chaneryx, Perfect Lifeform, a legendary 10/10 green, white, and blue Leviathan creature token with ward {10}.

Whenever this creature attacks, it deals 1 damage to any target.
{3}{B}: This creature gains indestructible until end of turn.

Monument to Might's power and toughness are each equal to the number of lands you control.
You may look at the top card of your library any time, and you may play lands from the top of your library.
Spellcharge 5

Put a +1/+1 counter on target creature, then it gets your choice of +1/+1 or lifelink until end of turn.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {W} or {B}.

Flying
Whenever one or more creatures you control become tapped, tap up to one target creature an opponent controls.

Choose one. If your devotion to green is three or greater, you may choose another. The same is true for devotion to red.
• Put two +1/+1 counters on target creature.
• Target creature you control fights target creature you don't control.
• Klothys's Judgment deals 3 damage to target player.

Ward {3}
Whenever Horror of the Mystic Sea attacks, defending player mills two cards. If they milled two nonland cards this way, Horror of the Mystic Sea can't be blocked this turn.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {R} or {W}.

When this land enters, sacrifice it. If you do, search your library for a basic Island or Swamp card, put it onto the battlefield tapped, then shuffle.
{2}{U}{U}{B}{B}, Discard this card: Surveil 2, then draw two cards.

Reach
Whenever Star-Studded Sagittaur deals combat damage to a player, you may bless target land.

Trample
Whenever Insurgency Mentor attacks, teach target attacking creature with lesser power trample.

Flow — {2}{W}: This creature has base power and toughness 4/4 until end of turn. Activate only as a sorcery.

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

Imposing Oddity enters with X +1/+1 counters on it.
Whenever Imposing Oddity becomes spellcharged, put a +1/+1 counter on it.
Spellcharge 4
When Imposing Oddity dies, you may put its counters on another target Ruin you control.

{T}: Add {C}.
{T}: Surveil 1. Return Mirage Island to its owner's hand.

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.