Trample
Traxos enters tapped and doesn't untap during your untap step.
Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)

Landfall — Whenever a land you control enters, create a 5/5 red and green Elemental creature token.
Whenever Omnath or another Elemental you control dies, Omnath deals 3 damage to any target.

Whenever a creature you control with power 4 or greater enters, draw a card.
−1: Untap target permanent.

You may have this land enter tapped as a copy of any land on the battlefield.

Flying
When Aerid Konstrari enters or dies, create a Heartwood token. (It's a red and green artifact with ": Add or .")
: Create a Heartwood token. Then Aerid Konstrari gets +X/+0 until end of turn, where X is the number of artifacts you control.

, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

Return target creature to its owner's hand. You create a token that's a copy of that creature.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead.
, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

This spell costs less to cast, where X is the greatest power among creatures you control.
Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures.
, : Double target creature's power until end of turn.

Exile cards from the top of your library until you exile cards with total mana value 4 or greater. You may cast any number of spells from among them without paying their mana costs.
Paradigm (Then exile this spell. After you first resolve a spell with this name, you may cast a copy of it from exile without paying its mana cost at the beginning of each of your first main phases.)

Each player can't cast more than one noncreature spell each turn.

You gain 3 life.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Whenever you roll one or more dice, put a number of charge counters on this artifact equal to the result.
: Add one mana of any color. Roll a d20.
, Remove 100 charge counters from this artifact: Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)
Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

Flying
Unearthly Power — Instant and sorcery spells you cast cost less to cast for each creature token you control.
Blade of Magnus — Whenever Magnus the Red deals combat damage to a player, create a 3/3 red Spawn creature token.

Nonbasic lands are Mountains.

Choose target creature you control. Each other creature becomes a copy of that creature until end of turn, except it isn't legendary.

As an additional cost to cast this spell, sacrifice a legendary creature or pay .
Counter target activated ability, triggered ability, or noncreature spell.

Whenever another permanent you control enters, each opponent mills a card.

Flying
Whenever a creature an opponent controls dies, you may gain 3 life.
Whenever an opponent discards a card, you may gain 3 life.