At the beginning of combat on your turn, put a level counter on another target creature you control. If it doesn't have level up, it gains level up {2} and “This creature gets +1/+1 for each level counter on it.”

When this creature enters, cache the top card of your library face down.
{1}{G}{U}, Sacrifice a Memory: Draw a card. You may put a land card from your hand onto the battlefield.

This spell costs {2} less to cast if an opponent lost life this turn.
Corrupt — When this creature enters, if you control a permanent with greater mana value, destroy up to one target artifact, creature, or planeswalker.

Whenever you draw or cache a card, put a +1/+1 counter on up to one target land.
At the beginning of combat on your turn, untap up to one target land you control. It becomes a 3/3 creature with vigilance, hexproof, and haste until end of turn. It's still a land.

Vigilance
Fabric — This creature gets +1/+1 for each enchantment you control.

When this creature enters, create a Treasure token.
Whenever you sacrifice an artifact or enchantment, this creature gets +2/+0 and gains trample until end of turn.

When this creature enters, cache up to X target cards from your graveyard.
{T}: Add {G}. Spend this mana only to activate abilities of Memories.

Mill three cards, then return a creature, enchantment, or land card from your graveyard to your hand.

Vigilance, ward {2}
Memories you control are 4/4 creatures with vigilance and ward {2} in addition to their other types.

Reach
When this creature enters, create a green Subroutine enchantment token named MOUNT with “Whenever this Subroutine runs, target creature you control gets +2/+2 until end of turn.”

Equipped creature can't be blocked by creatures with power 2 or less.
Whenever equipped creature attacks, it gets +X/+X until end of turn, where X is its power.
Equip {3}

Whenever this Subroutine runs, search your library for a basic land card, put it onto the battlefield, then shuffle.

Reach
When this creature enters, if you played a land from exile or cast a spell from exile this turn, it fights up to one target creature.

You may cast permanent spells as though they had flash.
During your second main phase, pay {Q} rather than {T} to activate abilities.

Whenever this Subroutine runs, creatures you control get +3/+3 and gain trample until end of turn.

You gain X life, then look at the top X cards of your library, where X is the greatest mana value among permanents you control. Reveal up to two creature, enchantment, and/or land cards from among them and put them into your hand. Put the rest on the bottom in a random order.

Trample
{3}{G}: Return this card from your graveyard to the battlefield tapped with a finality counter on it.

Trample
When this creature enters, separate your graveyard into two piles. An opponent chooses one of those piles. Put that pile into your hand and shuffle the other into your library.

Level up {W/B}
[level 2-6] During each of your turns, you may play a land card from your graveyard.
[level 7+] During each of your turns, you may play a land and cast a permanent spell from your graveyard.

{T}: Add {G}.
{T}: Add {G}{G}. You can't spend this mana to cast spells.

Whenever this creature deals combat damage to a player, create an X/X colorless Construct artifact creature token, where X is 1 plus the number of counters on this creature.
{1}, Sacrifice an artifact or enchantment: Put a +1/+1 counter on this creature. It gains trample until end of turn.

Deathtouch
Whenever you cache a card, this creature gets +2/+2 and gains indestructible until end of turn.

When this creature enters, create X green Subroutine enchantment tokens named MOUNT with “Whenever this Subroutine runs, target creature you control gets +2/+2 until end of turn.”

{G}, Sacrifice this creature: Exile target artifact, enchantment, or card from a graveyard. If you own that permanent or card, cache it instead.

Level up {2}{U}
[level 1-2] Whenever a land you control enters, cache the top card of your library face down.
[level 3+] Whenever a land you control enters, draw a card.