Christopher Columbus

At the beginning of your upkeep, choose one —
• Discover — search your library for a basic land,
put it into the battlefield tapped, then shuffle your library.
• Colonise — put a colonisation counter on target land you control and draw a card.
• Exploit {line} sacrifice any number of lands with a colonisation counter on them. Create 3 tapped treasure tokens and draw a card for each land sacrificed this way.