The Monty Python collaboration is sold as two secret lairs, one being various card types and another being themed on colorless cards
DUSKMOURN COMMANDER: RED Barbflare Gremlin is an interesting one
IV Create X Treasure tokens, where X is the number of opponents who control a creature with power 4 or greater
With the limited release, holographic art, and strong banishing ability, this card is an exclusive thats tough to find
Jund simply wants to trade advantageously until the game shifts in Jund's favor
We could imagine Jetfire, Ingenious Scientist being useful in an Adapt deck that plays around with +1/+1 counters, but your Creatures would have to be Artifacts as well since Jetfires ability does not apply to non-Artifact Creatures