Perhaps you're a talented Magic player, or a total novice with nothing else to do on a rainy afternoon in a town where you're just passing through, but either way, if you're going to play, you're going to need the right cards
Legality depends on the tournament format -- Helpful Hunter can be legal in some formats and banned or restricted in others
This can be repeated endlessly as long as Jasper keeps questions on your turn, effectively shutting down a high-lore card until your opponent deals with Jasper
Coming down as early as turn 3 with the right draw, it curves us into a turn 4 Herald of Anguish while leaving a 2/2 body besides
Pair it with Doubling Season or proliferate effects and youre looking at explosive board states that can quickly snowball into game-ending scenarios
You may play those cards for as long as they remain exiled, and mana of any type can be spent to cast them