Wayfarer's Bauble

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Worn Powerstone

This artifact enters tapped.
{T}: Add {C}{C}.

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {R}.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {G} or {W}.

({T}: Add {G} or {W}.)
This land enters tapped unless you control two or more basic lands.

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped.
{T}: Add {U} or {B}.

This land enters tapped.
{T}: Add {B} or {R}.

({T}: Add {R} or {G}.)
This land enters tapped unless you control two or more basic lands.

This land enters tapped.
{T}: Add {W} or {U}.

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

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {B}.

This land enters tapped.
{T}: Add {G} or {W}.

When Gisa and Geralf enters, mill four cards.
Once during each of your turns, you may cast a Zombie creature spell from your graveyard.

Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.