Modern Tezzeret

{T}: Add {C}.

{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Escalate—Discard a card. (Pay this cost for each mode chosen beyond the first.)

Choose one or more —

• Target opponent reveals their hand. You choose an instant or sorcery card from it. That player discards that card.

• Target creature gets -2/-2 until end of turn.

• Target opponent loses 2 life and you gain 2 life.

You may play lands from your graveyard.

Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands.

{T}: Add {U} or {B}.

Creatures with power greater than the number of cards in your hand can't attack.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: 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.

({T}: Add {W} or {U}.)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

({T}: Add {U}.)

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

{T}: Add {C}.

{1}{U}{B}, {T}: Target player mills three cards.

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard.

When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

Remove a charge counter from Pentad Prism: Add one mana of any color.

As Pithing Needle enters the battlefield, choose a card name.

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}: Put a charge counter on Ratchet Bomb.

{T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with mana value equal to the number of charge counters on Ratchet Bomb.

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

{1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta. (Look at the top card of your library. You may put that card into your graveyard.)

{T}: Add {C}.

{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

({T}: Add {B}.)

Equipped creature gets +1/+2.

Equip {2}

Whenever a 1/1 creature enters the battlefield under your control, you may return Sword of the Meek from your graveyard to the battlefield, then attach it to that creature.

[+1]: Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

[−1]: Target artifact becomes an artifact creature with base power and toughness 5/5.

[−4]: Target player loses X life and you gain X life, where X is twice the number of artifacts you control.

{1}, Sacrifice a nontoken artifact: Create a 1/1 blue Thopter artifact creature token with flying. You gain 1 life.

{T}, Sacrifice five artifacts: Take an extra turn after this one.

({T}: Add {U} or {B}.)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Sacrifice Welding Jar: Regenerate target artifact.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

When Witchbane Orb enters the battlefield, destroy all Curses attached to you.

You have hexproof. (You can't be the target of spells or abilities your opponents control, including Aura spells.)