Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Morbid -- You may put that card onto the battlefield instead of putting it into your hand if a creature died this turn.
{3}{G}
Celebrate the Harvest
Sorcery
Search your library for up to X basic land cards, where X is the number of different powers among creatures you control. Put those cards onto the battlefield tapped, then shuffle.
{3}{G}
Circuitous Route
Sorcery
Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.
{G}
Collective Voyage
Sorcery
Join forces -- Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.
{2}{G}{G}
Creeping Corrosion
Sorcery
Destroy all artifacts.
{2}{G}{G}
Creeping Mold
Sorcery
Destroy target artifact, enchantment, or land.
{2}{G}
Cultivate
Sorcery
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.
{1}{G}
Explore
Sorcery
You may play an additional land this turn.
Draw a card.
{2}{G}
Harvest Season
Sorcery
Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.
{1}{G}
Khalni Heart Expedition
Enchantment
Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.
Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
{2}{G}
Kodama's Reach
Sorcery - Arcane
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.
{G}
Lay of the Land
Sorcery
Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{1}{B}{G}{U}
Zaxara, the Exemplary
Legendary Creature - Nightmare Hydra
Deathtouch
{T}: Add two mana of any one color.
Whenever you cast a spell with {X} in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it.