serpent cards mtg Koma, Cosmos [Kaldheim Prerelease Promos] Lightly Played Foil Cosmos Serpent gains indestructible until end of turn. Serpent - MTG Wiki

Shifting Borders I think the best way to explain how Shifting Borders can be a good card is by remembering that Dark Depths is a land

It costs just over a mana per new card but affords you a good chunk of spells while digging a little deeper into your deck

1 Savai Thundermane

For the purposes of completing a set, such as for the set collection screen or for certain achievements, you'll similarly only need a single copy of a card from a specific set as you have a playset of cards with that same name

Advertisement Lands are one type of card and are the building blocks of spells

This is one of the most powerful artifact creatures