Well of Lost Dreams

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.

Sylvan Library

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Remember the Fallen

Choose one or both —
• Return target creature card from your graveyard to your hand.
• Return target artifact card from your graveyard to your hand.

Grizzly Bears

High Tide

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Ravenous Giant

At the beginning of your upkeep, Ravenous Giant deals 1 damage to you.

River Herald Scout

When River Herald Scout enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Priest of Urabrask

When Priest of Urabrask enters, add {R}{R}{R}.

Recycle

Skip your draw step.
Whenever you play a card, draw a card.
Your maximum hand size is two.

Skirk Shaman

Skirk Shaman can't be blocked except by artifact creatures and/or red creatures.

Sea Eagle

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Benalish Trapper

Kor Chant

All damage that would be dealt this turn to target creature you control by a source of your choice is dealt to another target creature instead.

Knight Errant

Pygmy Allosaurus

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Incurable Ogre

Goblin Cavaliers

Enrage

Target creature gets +X/+0 until end of turn.

Holy Day

Prevent all combat damage that would be dealt this turn.

Wrath of God

Destroy all creatures. They can't be regenerated.

Desperate Ritual

Add {R}{R}{R}.
Splice onto Arcane {1}{R} (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.)

Moon Sprite

Whirling Dervish

Protection from black
At the beginning of each end step, if Whirling Dervish dealt damage to an opponent this turn, put a +1/+1 counter on it.

Rowan Treefolk

Mortal Wound

Enchant creature
When enchanted creature is dealt damage, destroy it.

Breath of Life

Return target creature card from your graveyard to the battlefield.

Pyretic Ritual

Gorilla Warrior

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Marsh Boa

Blood Knight

Snapping Drake

Flying (This creature can't be blocked except by creatures with flying or reach.)

Balduvian Barbarians

Riptide Pilferer

Whenever Riptide Pilferer deals combat damage to a player, that player discards a card.
Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Revered Dead

Strategic Planning

Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Piracy Charm

Choose one —
• Target creature gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)
• Target creature gets +2/-1 until end of turn.
• Target player discards a card.

Gossamer Phantasm

Flying
When Gossamer Phantasm becomes the target of a spell or ability, sacrifice it.

Forgotten Lore

Target opponent chooses a card in your graveyard. You may pay {G}. If you do, repeat this process except that opponent can't choose a card already chosen for Forgotten Lore. Then put the last chosen card into your hand.

Leeching Bite

Target creature gets +1/+1 until end of turn. Another target creature gets -1/-1 until end of turn.

Thirst

Enchant creature
When Thirst enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.
At the beginning of your upkeep, sacrifice Thirst unless you pay {U}.

Royal Falcon

Get Lost

Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Sea Serpent

Sea Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

Purify the Grave

Exile target card from a graveyard.
Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Frost Ogre

Serendib Sorcerer

{T}: Target creature other than Serendib Sorcerer has base power and toughness 0/2 until end of turn.

Omnath, Locus of Creation

When Omnath, Locus of Creation enters, draw a card.
Landfall — Whenever a land you control enters, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add {R}{G}{W}{U}. If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control.

Pyrohemia

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pyrohemia.
{R}: Pyrohemia deals 1 damage to each creature and each player.