Hebab, Relaxing Voyager

Whenever a creature enters the battlefield under your control, you may search your library for a land card, reveal it, and put it into your hand. Then shuffle your library.
Whenever a creature you control leaves the battlefield, you may search your library for a green creature card, reveal it, and put it into your hand.
"Would you be so kind as to stop this fight? It won't end well for you".