Kellan, Daring Traveler // Journey On
The Lost Caverns of Ixalan — rare
Legendary Creature — Human Faerie Scout // Sorcery — Adventu
Whenever Kellan, Daring Traveler attacks, reveal the top card of your library. If it's a creature card with mana value 3 or less, put it into your hand. Otherwise, you may put it into your graveyard.
Journey On
Create X Map tokens, where X is one plus the number of opponents who control an artifact. (Then exile this card. You may cast the creature later from exile.)