Green Tron

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.

{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card.

{1}, {T}, Sacrifice this artifact: Add one mana of any color.

When this artifact is put into a graveyard from the battlefield, draw a card.

({B/P} can be paid with either {B} or 2 life.)

Target creature gets -5/-5 until end of turn.

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

({T}: Add {G}.)

{T}: Add {C}.

{T}, Sacrifice this land: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Creature cards in graveyards and libraries can't enter the battlefield.

Players can't cast spells from graveyards or libraries.

[+4]: Target player exiles a card from their hand.

[−3]: Exile target permanent.

[−14]: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn. Then put those cards onto the battlefield under your control.

Destroy target artifact or enchantment. Its controller gains 4 life.

{4}, {T}: Put a fate counter on target permanent.

{5}, {T}, Sacrifice this artifact: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.

{T}: Target player exiles a card from their graveyard.

{1}, Exile this artifact: Exile all graveyards. Draw a card.

{T}: Add {C}.

Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice this land. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

({C} represents colorless mana.)

Target creature gets +3/-3 until end of turn.

({B/P} can be paid with either {B} or 2 life.)

Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

({C} represents colorless mana.)

When this creature enters, target opponent reveals their hand. You choose a nonland card from it and exile that card.

When this creature leaves the battlefield, target opponent draws a card.

When this creature enters, you gain 5 life.

When this creature leaves the battlefield, create a 3/3 green Beast creature token.

[+2]: Ugin deals 3 damage to any target.

[−X]: Exile each permanent with mana value X or less that's one or more colors.

[−10]: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

When you cast this spell, exile two target permanents.

Indestructible

Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

This creature enters with X +1/+1 counters on it.

{4}: Put a +1/+1 counter on this creature.

Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

({C} represents colorless mana.)

Choose one —

• Exile target creature with power or toughness 1 or less.

• Counter target sorcery spell.

• Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}."

Devoid (This card has no color.)

When you cast this spell, exile target artifact, enchantment, or land.

Reach

{2}{C}, Sacrifice a land: Return this card from your graveyard to your hand. ({C} represents colorless mana.)

Deathtouch, lifelink

When this creature dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.