Evolving Wilds

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

Mire's Grasp

Enchant creature
Enchanted creature gets -3/-3.

Flying
Aura spells you cast cost {1} less to cast.

When Thraben Inspector enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

When Heliod's Pilgrim enters, you may search your library for an Aura card, reveal it, put it into your hand, then shuffle.

Enchant creature
Enchanted creature has "At the beginning of your upkeep, sacrifice a creature."

Nomad Outpost enters tapped.
{T}: Add {R}, {W}, or {B}.

Enchant creature
Enchanted creature gets -2/-2.

Lifelink
Whenever an enchanted creature dies, draw a card for each Aura you controlled that was attached to it.

When Ironclad Slayer enters, you may return target Aura or Equipment card from your graveyard to your hand.