Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, create a Lander token. At the beginning of the end step on your next turn, sacrifice that token. (It's an artifact with ", , Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")

Artifact spells you cast cost less to cast.

This land enters tapped.
When this land enters, you gain 1 life.
: Add or .

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)
, Exile this card from your graveyard: Return another target creature card from your graveyard to your hand.

Menace
Whenever Don & Raph attack, the next noncreature spell you cast this turn has affinity for artifacts. (It costs less to cast for each artifact you control.)

Sacrifice this creature: Destroy target enchantment.

Flash
Enchant creature
When this Aura enters, enchanted creature gains hexproof until end of turn.
Enchanted creature gets +1/+0 and has flying.

Create a 2/2 red and white Spirit creature token.
Flashback—Tap three untapped creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Survival — At the beginning of your second main phase, if this creature is tapped, draw a card if you control a Glimmer creature. If you don't control a Glimmer creature, create a 1/1 white Glimmer enchantment creature token.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Flying
Noncreature spells you cast have improvise.

Reach, trample, haste

Whenever this creature attacks, defending player loses 1 life and you gain 1 life.

When this enchantment enters, create a 0/0 green and blue Fractal creature token. Put three +1/+1 counters on it.
At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. It gains vigilance until end of turn.

This land enters tapped. As it enters, choose a color other than green.
: Add or one mana of the chosen color.

Delirium — This spell costs less to cast as long as there are four or more card types among cards in your graveyard.
Destroy target nonland permanent.

Trample
When this creature enters, each opponent loses 2 life and you gain 2 life.

, , Sacrifice this creature: Draw three cards.

When this creature enters, exile target tapped creature an opponent controls until this creature leaves the battlefield.

Counter target creature spell.

Create a 0/0 green and blue Fractal creature token and put X +1/+1 counters on it, where X is the number of cards you've drawn this turn.