Rites of Initiation

Discard any number of cards at random. Creatures you control get +1/+0 until end of turn for each card discarded this way.

Shipwreck Sifters

When Shipwreck Sifters enters, draw a card, then discard a card.
Whenever you discard a Spirit card or a card with disturb, put a +1/+1 counter on Shipwreck Sifters.

Mountain

Plains

Inside Out

Switch target creature's power and toughness until end of turn.
Draw a card.

Dramatic Rescue

Return target creature to its owner's hand. You gain 2 life.

Tolarian Winds

Discard all the cards in your hand, then draw that many cards.

Fuming Effigy

Whenever one or more cards leave your graveyard, Fuming Effigy deals 1 damage to each opponent.

Aurora Eidolon

{W}, Sacrifice Aurora Eidolon: Prevent the next 3 damage that would be dealt to any target this turn.
Whenever you cast a multicolored spell, you may return Aurora Eidolon from your graveyard to your hand.

Wild Cantor

({R/G} can be paid with either {R} or {G}.)
Sacrifice Wild Cantor: Add one mana of any color.

Cunning Survivor

Whenever you cycle or discard a card, Cunning Survivor gets +1/+0 until end of turn and can't be blocked this turn.

Curse of Chains

Enchant creature
At the beginning of each upkeep, tap enchanted creature.

Wedding Invitation

When Wedding Invitation enters, draw a card.
{T}, Sacrifice Wedding Invitation: Target creature can't be blocked this turn. If it's a Vampire, it also gains lifelink until end of turn.

Advanced Stitchwing

Flying
{2}{U}, Discard two cards: Return Advanced Stitchwing from your graveyard to the battlefield tapped.

Double Cleave

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Thrilling Discovery

You gain 2 life. Then you may discard two cards. If you do, draw three cards.

Faerie Macabre

Flying
Discard Faerie Macabre: Exile up to two target cards from graveyards.

Tireless Tribe

Discard a card: Tireless Tribe gets +0/+4 until end of turn.

Manamorphose

Add two mana in any combination of colors.
Draw a card.

Hindering Light

Counter target spell that targets you or a permanent you control.
Draw a card.

Enigma Eidolon

{U}, Sacrifice Enigma Eidolon: Target player mills three cards.
Whenever you cast a multicolored spell, you may return Enigma Eidolon from your graveyard to your hand.

Island

Bloodwater Entity

Flying
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When Bloodwater Entity enters, you may put target instant or sorcery card from your graveyard on top of your library.

Sandstorm Eidolon

{R}, Sacrifice Sandstorm Eidolon: Target creature can't block this turn.
Whenever you cast a multicolored spell, you may return Sandstorm Eidolon from your graveyard to your hand.

Izzet Charm

Choose one —
• Counter target noncreature spell unless its controller pays {2}.
• Izzet Charm deals 2 damage to target creature.
• Draw two cards, then discard two cards.

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)