When you encounter Human—Time Lord Meta-Crisis, each player chooses one or two creatures they control. Each player creates a token that's a copy of the first creature they chose, except it isn't legendary. Then each player who chose a second creature puts a number of +1/+1 counters on the token they created equal to the power of the second creature they chose. (Then planeswalk away from this phenomenon.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Choose target land. Create three tokens that are copies of it, except they're 3/3 creatures in addition to their other types and they have vigilance and menace. (They're affected by summoning sickness.)

Kicker (You may pay an additional as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Flying
When Runo enters, put up to one target creature card from your graveyard on top of your library.
At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If a creature card with mana value 6 or greater is revealed this way, transform Runo.

This creature can't block.
Whenever this creature attacks, each opponent loses 1 life and you gain 1 life.
, Exile an instant or sorcery card from your graveyard: Return this card from your graveyard to the battlefield.

Whenever this creature deals damage, target player mills that many cards.

Prevent all combat damage that would be dealt this turn.
Ferocious — If you control a creature with power 4 or greater, instead prevent all combat damage that would be dealt this turn by creatures your opponents control.

Deathtouch
Other Zombie creatures you control get +1/+1.
Whenever another Zombie you control dies, target opponent loses 1 life.

Whenever an artifact you control enters, this creature gets +2/+0 and gains trample until end of turn.

When this creature enters, if was spent to cast it, it gains haste until end of turn.

Choose one —
• Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn.
• Destroy target creature with power 4 or greater.

Kicker (You may pay an additional as you cast this spell.)
Haste
When this creature enters, if it was kicked, destroy target nonbasic land.

This artifact enters with three charge counters on it.
, : Put a charge counter on this artifact.
, , Remove a charge counter from this artifact: Draw a card.

Return target creature to its owner's hand.
Draw a card.

First strike, haste
Cycling (, Discard this card: Draw a card.)

Other creatures you control are Assassins in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
Face-down creatures you control have menace.
Whenever a permanent you control is turned face up, you draw a card and you lose 1 life.

Flying
Whenever this creature deals combat damage to a player, you may draw a card from that player's library.

Create three 1/1 green Boar creature tokens with "When this token dies, create a Food token." (A Food token is an artifact with ", , Sacrifice this token: You gain 3 life.")

Enchant creature
Enchanted creature gets +2/+1 and has menace. (It can't be blocked except by two or more creatures.)