When Barrin enters, return up to one other target creature or planeswalker to its owner's hand. At the beginning of your end step, if a permanent was put into your hand from the battlefield this turn, draw a card.

Draw four cards, then put two cards from your hand on top of your library in any order.

Ward {2} You may look at the top card of your library any time. The top card of your library has plot. The plot cost is equal to its mana cost. You may plot nonland cards from the top of your library.

Flying When this creature enters, tap target permanent. {2}{U}: Draw a card, then discard a card.

Look at the top five cards of your library, then put them back in any order.

Whenever this creature attacks, draw a card.

{T}, Sacrifice this artifact: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

When this enchantment enters, draw three cards. As long as you have seven or more cards in hand, you may pay {0} rather than pay cycling costs.

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

When this creature enters, add one mana of any color. Whenever another creature you control with power 4 or greater enters, draw a card. Plot {2}{G} (You may pay {2}{G} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Draw three cards, untap up to two lands, then discard a card.

You may look at the top card of your library any time. You may cast instant and sorcery spells from the top of your library. {3}: Exile the top card of your library.

When this creature enters, draw a card, then scry 2.

Enchant creature you control When this Aura enters, draw a card. Enchanted creature gets +1/+0 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Enchant creature Enchanted creature has "Whenever this creature deals combat damage to a player, you may draw a card."

Flying When this creature enters, draw a card.

Trample Whenever another nontoken creature you control enters, you may draw a card.

{1}{U}, {T}: Draw a card, then discard a card.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Prevent all combat damage that would be dealt this turn.

Counter target instant spell.

Whenever a creature you control enters, you may pay {1}. If you do, put a +1/+1 counter on that creature. {5}{G}, Sacrifice this enchantment: Put a +1/+1 counter on each creature you control.

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on each creature that had a +1/+1 counter put on it this way. Overload {4}{G}{G} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Put a +1/+1 counter, a reach counter, and a deathtouch counter on target creature. Untap it.

Put a +1/+1 counter on target creature, two +1/+1 counters on another target creature, and three +1/+1 counters on a third target creature.

Enchant creature Enchanted creature gets -6/-0.

Create a 0/3 blue Crab creature token. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Reach (This creature can block creatures with flying.) As long as you've drawn two or more cards this turn, this creature gets +0/+2 and has vigilance. (Attacking doesn't cause it to tap.)

Flash (You may cast this spell any time you could cast an instant.) Flying

Haste When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

Target opponent mills seven cards.

You may play an additional land this turn. Draw a card.

Enchant land When this Aura enters, you gain 3 life. Enchanted land has "{T}: Add two mana of any one color."

{T}: Add one mana of any color.

When this creature enters, draw a card. {T}: Add {G}.

{T}: Add one mana of any type that a land you control could produce.

When this creature enters, you gain 2 life. {T}: Add one mana of any color.

You may cast spells from your hand without paying their mana costs.

This land enters tapped unless you control an Island. {T}: Add {U}. {U}, {T}: The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

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

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

({T}: Add {U}.)

{T}: Add {C}. {1}, {T}: Move a counter from target permanent you control onto another target permanent. Activate only as a sorcery.

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

{T}: Add {C}. {3}, {T}: Target creature can't block this turn. Activate only as a sorcery.

This land enters tapped unless you control a Forest. {T}: Add {G}. Delirium — {2}{G}{G}: This land becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.

This land enters tapped. When this land enters, target creature an opponent controls doesn't untap during its controller's next untap step. {T}: Add {U}.

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

{T}: Add {C}. {3}, {T}, Sacrifice this land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Escalate {G} (Pay this cost for each mode chosen beyond the first.) Choose one or more — • Destroy target artifact. • Destroy target enchantment. • Target creature gains hexproof and indestructible until end of turn.

Destroy target artifact, enchantment, or land.

Return target nonland permanent to its owner's hand.

Destroy target artifact. Cycling {G} ({G}, Discard this card: Draw a card.)

Counter target creature spell.

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Destroy target artifact or enchantment with mana value 3 or less.

Counter target noncreature spell.

Target creature you control deals damage equal to its power to target creature you don't control.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Counter target spell. Untap up to four lands.

Put a +1/+1 counter on target creature you control, then each modified creature you control deals damage equal to its power to target creature you don't control. (Equipment, Auras you control, and counters are modifications.)