Arcane Signet

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

Urban Evolution

Draw three cards. You may play an additional land this turn.

Growth Spiral

Draw a card. You may put a land card from your hand onto the battlefield.

Eureka Moment

Draw two cards. You may put a land card from your hand onto the battlefield.

Cultivate

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Sevinne, the Chronoclasm

Prevent all damage that would be dealt to Sevinne, the Chronoclasm.
Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy.

Kodama's Reach

Vega, the Watcher

Flying
Whenever you cast a spell from anywhere other than your hand, draw a card.

Sol Ring

Faeburrow Elder

Vigilance
Faeburrow Elder gets +1/+1 for each color among permanents you control.
{T}: For each color among permanents you control, add one mana of that color.

Niv-Mizzet, Supreme

Flying, hexproof from monocolored
Each instant and sorcery card in your graveyard that's exactly two colors has jump-start. (You may cast that card from your graveyard by discarding a card in addition to paying its other costs. Then exile it.)

Seedborn Muse

Untap all permanents you control during each other player's untap step.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Eerie Ultimatum

Return any number of permanent cards with different names from your graveyard to the battlefield.

Circuitous Route

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Reborn Hope

Return target multicolored card from your graveyard to your hand.

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Containment Construct

Whenever you discard a card, you may exile that card from your graveyard. If you do, you may play that card this turn.

Forest

Wilderness Reclamation

At the beginning of your end step, untap all lands you control.

Secrets of the Dead

Whenever you cast a spell from your graveyard, draw a card.

Nature's Lore

Search your library for a Forest card, put that card onto the battlefield, then shuffle.