Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

You have no maximum hand size. {T}: Add one mana of any color.

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

When this creature enters, untap up to seven lands.

Target land becomes the basic land type of your choice until end of turn. Draw a card at the beginning of the next turn's upkeep.

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you. {T}: Add {C}{C}.

This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

Buyback {2}{U} (You may pay an additional {2}{U} as you cast this spell. If you do, put this card into your hand as it resolves.) Tap target artifact, creature, or land.

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

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {T}: Add {C}. {T}, Sacrifice this artifact: You gain 3 life and draw a card. Activate only if you have the city's blessing.

Flying When this creature enters, untap up to five lands.

{T}: Add {C} for each artifact you control named Powerstone Shard.

You may tap or untap target permanent. Splice onto Arcane {U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Blue spells you cast cost {1} less to cast.

Target land becomes the basic land type of your choice until end of turn. Draw a card.

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

You have no maximum hand size. {T}: Add {C}.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

When this creature enters, return up to two target instant and/or sorcery cards from your graveyard to your hand.

You may have this creature enter as a copy of any creature card in a graveyard.

When this creature enters, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Choose one — • Counter target spell. • Target player draws two cards. • Gain control of target nonland permanent with mana value 1 or less.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.

Return target creature to its owner's hand. Untap up to two lands.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Choose one — • Counter target artifact spell. • Return target artifact to its owner's hand.

Choose one or more — • Counter target spell. • Counter target activated or triggered ability. • Return target nonland permanent to its owner's hand. • Create a token that's a copy of target creature you control. • Target player draws a card.

Flash (You may cast this spell any time you could cast an instant.) When Venser enters, return target spell or permanent to its owner's hand.

Heroic — Whenever you cast a spell that targets this creature, you may have this creature become a copy of target creature, except it has this ability.

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

You may have Sakashima enter as a copy of another creature you control, except it has Sakashima's other abilities. The "legend rule" doesn't apply to permanents you control. Partner (You can have two commanders if both have partner.)

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

({T}: Add {U}.)

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {C}. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

{T}: Add {C}. {T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Target creature becomes blue until end of turn. Untap that creature. Draw a card.

Tap target artifact, creature, or land. Draw a card at the beginning of the next turn's upkeep.

Target creature gets -1/-0 until end of turn. Draw a card.

Flying When this creature enters, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Choose one — • Target nonsnow permanent becomes snow until end of turn. • Target snow permanent isn't snow until end of turn. Draw a card at the beginning of the next turn's upkeep.

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Target creature you control gets +0/+1 and gains hexproof until end of turn. Overload {1}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Untap all nonland permanents you control.

Choose one — • Tap target permanent. • Untap target permanent. Entwine {1} (Choose both if you pay the entwine cost.)

{1}, {T}: Untap another target artifact. {3}, {T}: Target creature can't be blocked this turn.

Flash Flying When this creature enters, you may tap or untap target permanent.

Untap target creature. Draw a card.