{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

At the beginning of your upkeep, put a doom counter on this artifact. At the beginning of your draw step, this artifact deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from this artifact. Any player may activate this ability but only during any upkeep step.

{T}: Add one mana of any color. {T}: Put a charge counter on this artifact. At the beginning of your first main phase, remove all charge counters from this artifact. Add one mana of any color for each charge counter removed this way.

{T}: Add one mana of any color that a land an opponent controls could produce.

Equipped creature gets +3/+0 and has vigilance and trample. Whenever equipped creature dies, attach this Equipment to target creature you control. Equip {3}

{T}: Add three mana of any one color.

Equipped creature gets +2/+1. As long as equipped creature is legendary, it has trample and haste. Equip {2}

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

This artifact enters tapped. {T}: Add {G}.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

{T}: Add one mana of any color. Tap an untapped legendary creature you control: Add one mana of any color.

{T}: Add {C}{C}.

This artifact enters tapped. {T}: Add {U}.

{T}: Add {C}{C}.

{T}: Add {C}{C}{C}.

Equipped creature gets +1/+1 for each Aura and Equipment attached to it and has ward {2}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

At the beginning of each player's draw step, that player may draw an additional card. If they do, spells they cast this turn cost {2} more to cast.

Defender Whenever you cast an instant or sorcery spell, you may draw a card. If you do, discard a card. This ability triggers only once each turn.

When this creature blocks a creature, destroy both creatures.

Vigilance As this creature enters, look at an opponent's hand, then choose any card name. Spells your opponents cast with the chosen name cost {2} more to cast. Activated abilities of sources with the chosen name cost {2} more to activate unless they're mana abilities.

Flash Flying If an opponent would search a library, that player searches the top four cards of that library instead.

Vigilance Creatures can't attack you or planeswalkers you control unless their controller pays {1} for each of those creatures.

At the beginning of your end step, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {6}: Draw a card and put a +1/+1 counter on this creature.

First strike If you would gain life, you gain that much life plus 1 instead. {1}{W}: This creature gets +1/+1 until end of turn.

{T}: Add {G}.

Serra Avatar's power and toughness are each equal to your life total. When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

If you control four or fewer lands, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Cycling—Sacrifice a land. (Sacrifice a land, Discard this card: Draw a card.)

Create three tapped Powerstone tokens. You gain 3 life. (The tokens are artifacts with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Flash Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Whenever a creature is put into your graveyard from the battlefield, you may sacrifice this enchantment. If you do, return that card to the battlefield.

Enchant creature Enchanted creature has flying. Aura swap {2}{U} ({2}{U}: Exchange this Aura with an Aura card in your hand.)

Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.) When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Artifacts, creatures, and lands your opponents control enter tapped.

Counter target spell. You gain 3 life.

This spell costs {U} less to cast if an opponent cast two or more spells this turn. Counter target spell.

Draw two cards, then discard two cards. Untap up to three lands.

Counter target noncreature spell.

Counter target spell. Untap up to four lands.

Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Exile target creature. Its controller gains life equal to its power.

Counter target noncreature spell. Untap up to three lands.