Gaea's Blessing
{1}{G}
Sorcery
Target player shuffles up to three target cards from their graveyard into their library.
Draw a card.
When ~this~ is put into your graveyard from your library, shuffle your graveyard into your library.
The Mending of Dominaria
{3}{G}{G}
Enchantment -- Saga
(As ~this~ enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II -- Mill two cards, then you may return a creature card from your graveyard to your hand.
III -- Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library.