Flash
{1}{U/B}, Discard this card: Surveil 1, then draw a card.

Fabric — When this creature enters, target creature gets +X/+X until end of turn, where X is the number of enchantments you control.

When this creature enters, cache the top card of your library face down.

Cards in graveyards lose all abilities.
{1}: Put target card from a graveyard on the bottom of its owner's library. Activate only as a sorcery.
Cycling {2}

When this creature enters, reveal cards from the top of your library until you reveal a land card. Put that card into your hand and the rest into your graveyard.

Level up {3}
[level 2-5] Vigilance
[level 6+] Vigilance, indestructible

When this Equipment enters, create a 1/1 white Citizen creature token, then attach this Equipment to it.
Equipped creature gets +2/+1 and has trample.
Equip {4}

At the beginning of your upkeep, you may put a charge counter on this Subroutine.
Whenever this Subroutine runs, you may sacrifice it. If you do, destroy all nonland permanents with mana value equal to the number of charge counters on it.

When this creature enters, search your library for a basic land card, cache it, then shuffle.

Ward {2}
Whenever this creature attacks, destroy up to one target nonland permanent.

Whenever this Subroutine runs, you may pay {X} and sacrifice it. If you do, draw a card, then add X mana in any combination of colors.

You may pay {3} rather than this spell's mana cost. If you do, it enters tapped with three stun counters on it.

{1}, {T}: Return target permanent you control to its owner's hand. Activate only as a sorcery.

Whenever this creature attacks or blocks, it gets +X/+X until end of turn, where X is the greatest mana value among other permanents you control.

When this creature enters, return target enchantment card from your graveyard to your hand.

This land enters tapped.
Level up {U}{U}{U}
[level 1-2] Vigilance
This land is also a creature.
[level 3+] Vigilance
This land is also a creature.

When this land enters, sacrifice it. If you do, search your library for a basic Mountain or Forest card, put it onto the battlefield tapped, then shuffle.
{1}{R}{R}{G}{G}, Discard this card: Target creature you control gets +2/+0 until end of turn. It deals damage equal to its power to up to one target creature you don't control.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast creature spells with level up or pay level up costs.
{X}, {T}: This land becomes a copy of target creature you control with level up and mana value X.

This land enters tapped.
Level up {G}{G}{G}
[level 1-2] Ward {2}
This land is also a creature.
[level 3+] Ward {2}
This land is also a creature.

This land enters tapped.
{2}{G}{U}, {T}: Cache the top card of your library face down.

As Clearwater Grotto enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {G} or {U}.

This land enters tapped.
{2}{U}{B}, {T}: Cache the top card of your library face down.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {U} or {B}.

When this land enters, sacrifice it. If you do, search your library for a basic Swamp or Mountain card, put it onto the battlefield tapped, then shuffle.
{2}{B}{B}{R}{R}, Discard this card: Create a 4/4 red Error creature token with menace.

This land enters tapped.
{2}{R}{G}, {T}: Cache the top card of your library face down.