Deathtouch
Whenever this creature enters or attacks, create two 2/2 black Zombie creature tokens.

You may look at the top card of your library any time.
You may play historic lands and cast historic spells from the top of your library. (Artifacts, legendaries, and Sagas are historic.)
: Add .

Meet in Reverse — You draw cards from the bottom of your library rather than the top.
Spoilers — Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song. Then River Song deals damage to that player equal to its power.

, Pay 1 life: Add or .
, , Sacrifice this land: Draw a card.

: Add .
: Add or . This land deals 1 damage to you.

, : Reveal any number of blue cards in your hand. Counter target spell unless its controller pays for each card revealed this way.

During your turn, Gideon Blackblade is a 4/4 Human Soldier creature with indestructible that's still a planeswalker.
Prevent all damage that would be dealt to Gideon Blackblade during your turn.
+1: Up to one other target creature you control gains your choice of vigilance, lifelink, or indestructible until end of turn.
−6: Exile target nonland permanent.

(: Add .)

Target creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)
Splice onto Arcane—Return a blue creature you control to its owner's hand. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Flying
Whenever this creature deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Desolation of Smaug deals 3 damage to each non-Dragon creature.
Add four mana in any combination of colors. Spend this mana only to cast Dragon spells.

: Add .
, : Draw a card. Activate only if you control a creature with power 4 or greater.

: You gain 1 life for each Elf on the battlefield.

When this enchantment enters, if you cast it, destroy all nonenchantment creatures.
Whenever this enchantment or another enchantment you control enters, until end of turn, this enchantment becomes a legendary 6/6 Nightmare God creature with menace and deathtouch. It's still an enchantment.

Enchant creature
Enchanted creature gets +10/+10 and has trample and annihilator 2. (Whenever it attacks, defending player sacrifices two permanents of their choice.)

Choose up to five worth of modes. You may choose the same mode more than once.
— Create a 1/1 white Rabbit creature token.
— Exile target nonland permanent. Its controller draws a card.
— Return target permanent card with mana value 3 or less from your graveyard to the battlefield with an indestructible counter on it.

: You gain 1 life for each Elf on the battlefield.

Flying
Whenever this Vehicle attacks, if you control a Time Lord, the next spell you cast this turn has cascade and you may planeswalk.
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.)

Other artifact creatures you control get +2/+2.
Whenever this Vehicle attacks, return up to one target artifact card from your graveyard to the battlefield.
Crew 6

Destroy target land.