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.

Plains

Nature's Lore

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

Mountain

Command Tower

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

Archetype of Endurance

Creatures you control have hexproof.
Creatures your opponents control lose hexproof and can't have or gain hexproof.

Sol Ring

Seedborn Muse

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

Mayael the Anima

{3}{R}{G}{W}, {T}: Look at the top five cards of your library. You may put a creature card with power 5 or greater from among them onto the battlefield. Put the rest on the bottom of your library in any order.