When Oasis of Renewal enters and whenever a nonland card leaves your graveyard, seek (To seek a card, put one at random from your library into your hand.) a nonland card
The higher the number on the left, the greater the facesmashery the creature can inflict on an unwitting and often unwilling opponent
Land cards are much, much harder to remove than an artifact like a Spacecraft, and so a land with a big ability is more likely worth playing , especially if you get it out in the early turns
This is the big leagues of Christmas
Colossal Skyturtle & Mirrorshell Crab Colossal Skyturtle in particular is likely to see some play in Living End as either a replacement for Brazen Borrower Theft or as #5+
Either way, Battle for Baldurs Gate is a fun Commander Draft set that's been largely overlooked