Originally introduced in Throne of Eldraine, Adventures are special types of Magic: The Gathering cards that may be cast cast as two different spells: a permanent straight onto the battlefield, or as an instant or sorcery that resolves into exile that allows you to play the permanent side from it later on
Whenever Nashi deals combat damage to a player, it exiles the top card of each player's library, allowing its controller to cast one of those cards until the end of the turn
The best way to build around this red creature is to pack your deck full of devils and any and all red cards that can cause chaotic game states, which there are honestly a lot of
Kappa Cannoneer Kappa Cannoneer is a card that already sees play in legacy
If you sacrificed a creature this way, create a 4/4 green Beast creature token with trample
And, oh man , you have never known true fear until you've stared down a player with a full complement of Merlin and Madam Mim's animal forms