Plains

Forest

Arashin Sovereign

Flying
When Arashin Sovereign dies, you may put it on the top or bottom of its owner's library.

Avenging Angel

Flying
When Avenging Angel dies, you may put it on top of its owner's library.

Alabaster Dragon

Flying
When Alabaster Dragon dies, shuffle it into its owner's library.

Angel of Fury

Flying
When Angel of Fury dies, you may shuffle it into its owner's library.

Maskwood Nexus

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Atla Palani, Nest Tender

{2}, {T}: Create a 0/1 green Egg creature token with defender.
Whenever an Egg you control dies, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Mountain

Goblin Bombardment

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Patriar's Seal

{T}: Add one mana of any color.
{1}, {T}: Untap target legendary creature you control.