Recent Duelist Challenge #1 Solution:
{the Hint shows you need Carrot for Lethal}
1. Activate Dark Core, Use Carrotweight Champion as cost, Banish 1 Jinzo from opponent's field.
2.Activate Carrotweight Champion's effect from the Graveyard using Rose lover as a cost to summon it back in attack position.
3. Activate Rose Lover in the Graveyard and use it to special summon Gigaplant
4. Gemini Summon Gigaplant
5. Activate effect to summon Lord Poison from the graveyard in Attack position
6. Attack 1 Jinzo using Gigaplant and send it to the Graveyard
7. Attack the last Jinzo using Lord Poison and use the effect to resurrect your Gigaplant in Attack Position
8. Attack the last Jinzo using Gigaplant to clear the field and send both to the graveyard
9. Deal the lethal using Carrotweight Champion
Puzzle Completed in barely 1 minute of reading the cards-so it's not impossible for the haters who say so.