Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Draw two cards.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
: Add or .

Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy.
Partner (You can have two commanders if both have partner.)

Mikaeus enters with X +1/+1 counters on it.
: Put a +1/+1 counter on Mikaeus.
, Remove a +1/+1 counter from Mikaeus: Put a +1/+1 counter on each other creature you control.

Enchant creature
All damage that would be dealt to you is dealt to enchanted creature instead.

Whenever a source you control deals noncombat damage to an opponent, you may exile that many cards from the top of your library. You may play those cards this turn.

: Add .
Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice this land. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

Reach
Creature spells you cast cost less to cast, where X is the amount of life you gained this turn.
: You gain 2 life.

As this creature enters, choose a word.
Whenever an opponent says the chosen word, this creature gets +3/+3 until end of turn.

(: Add .)

Reach
Avalanche! — Whenever an Equipment you control enters, create a 2/2 red Rebel creature token.
At the beginning of combat on your turn, attach up to one target Equipment you control to target Rebel you control.

: Add one mana of any color. Put a nest counter on this creature.
, Sacrifice this creature: Create a 2/2 green Spider creature token with reach for each counter on this creature. Activate only as a sorcery.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — The next red or green creature spell you cast this turn can be cast without paying its mana cost.
II — Put three +1/+1 counters on target creature you control.
III — Choose target creature you control. Until end of turn, double its power and toughness and it gains trample.

Changeling (This card is every creature type.)
When this creature enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Trample
This creature enters with X +1/+1 counters on it.
When this creature dies, you gain life and draw cards equal to its power.

Whenever this creature deals damage to a creature, put a +1/+1 counter on this creature.
: Regenerate this creature.
: This creature becomes the color of your choice until end of turn.

Haste
Whenever Bessie attacks, another target legendary creature can't be blocked this turn.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
This artifact enters tapped.
: Add .

Counter target noncreature spell. Its controller loses 2 life.