Each player reveals their hand, chooses one card of each color from it, then discards all other nonland cards.

At the beginning of your upkeep, if you have exactly 1 life, you win the game.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
If a triggered ability of a Shaman or another Wizard you control triggers, that ability triggers an additional time.

Whenever a nonland creature you control dies, earthbend X, where X is that creature's power. (Target land you control becomes a 0/0 creature with haste that's still a land. Put X +1/+1 counters on it. When it dies or is exiled, return it to the battlefield tapped.)

Landfall — Whenever a land you control enters, create a 0/1 green Plant creature token. If you control seven or more lands with different names, create a 2/2 black Zombie creature token instead.
Land cards in your graveyard have dredge 2. (You may return a land card from your graveyard to your hand and mill two cards instead of drawing a card.)

Vigilance
: Put a +1/+1 counter on each artifact creature and/or Vehicle you control.
, Remove two +1/+1 counters from among artifacts you control: Draw a card.

Flying
When Moseo enters, create a 1/1 black and green Pest creature token with "Whenever this token attacks, you gain 1 life."
Infusion — At the beginning of your end step, if you gained life this turn, return up to one target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of life you gained this turn.

Kicker (You may pay an additional as you cast this spell.)
Lifelink
Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, if it was kicked, return target creature card from your graveyard to the battlefield.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Searing Touch deals 1 damage to any target.

As this enchantment enters, choose a creature type.
: The next time a creature of the chosen type would deal damage to you this turn, prevent that damage.

: Add .
, , Sacrifice a creature: Draw a card.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Skrelv can't block.
, : Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn. ( can be paid with either or 2 life.)

Return target spell or permanent to its owner's hand. Jeskai Revelation deals 4 damage to any target. Create two 1/1 white Monk creature tokens with prowess. Draw two cards. You gain 4 life.

Flash
Flying
When this creature enters, draw a card.
This creature has deathtouch as long as you control at least three other snow permanents.

Whenever one or more creatures attack you, if this creature is untapped, you may untap all creatures you control.

Exile the top X cards of target opponent's library. You may play those cards this turn. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

Whenever you attack, target attacking creature can't be blocked this turn. It connives. Then choose another attacking creature with lesser power. That creature gains double strike until end of turn. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)

Do You Like Squirrels? — Whenever The Unbeatable Squirrel Girl enters or attacks, create a 1/1 green Squirrel creature token.
I LOVE Squirrels! — : Create X 1/1 green Squirrel creature tokens, where X is the number of Squirrels you control.

When you planeswalk to Littjara and at the beginning of your upkeep, create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)
Whenever chaos ensues, choose a creature type. Put a +1/+1 counter on each creature you control of that type.

If this card is in your opening hand, you may begin the game with it on the battlefield.
Whenever you tap a creature for mana, add an additional .
: Put a +1/+1 counter on each creature you control.