K'un-Lun Warrior is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
When this creature enters, you may sacrifice an artifact or discard a card. If you do, draw a card.
Complete guide
K'un-Lun Warrior is a flexible Human Warrior Hero that provides excellent card selection for aggressive red decks. By trading an unnecessary resource for a fresh draw, this creature ensures your hand stays relevant as the game progresses. Whether you are discarding a late-game land or sacrificing a spent artifact, this warrior keeps your momentum high.
Understanding the Trigger
When K'un-Lun Warrior enters the battlefield, its triggered ability goes on the stack. This is a 'may' ability, meaning you choose whether or not to pay the cost of sacrificing an artifact or discarding a card at the moment the ability resolves. You do not choose which action to take or which card to lose until the ability is actually resolving, giving you the most information possible before making your decision.
Resolution Step-by-Step
First, the Warrior enters the battlefield, and the ability is placed on the stack. If the ability resolves, you first decide if you want to use the effect. If you choose to proceed, you must either sacrifice one artifact you control OR discard one card from your hand. Immediately after you pay that cost, you draw a card. If you have no artifacts and no cards in hand, you cannot pay the cost and therefore cannot draw.
Strategic Timing
This card is most effective in decks that generate disposable tokens or have recursion mechanics. Because the draw is tied to the sacrifice or discard, it acts as a 'looting' or 'rummaging' effect that helps you dig for answers. Remember that if K'un-Lun Warrior is destroyed while its ability is on the stack, the ability will still resolve, allowing you to pay the cost and draw a card even if the Warrior is no longer on the field.
Interaction examples
If you have Professional Face-Breaker on the field and deal combat damage, you generate a Treasure token. When you play K'un-Lun Warrior, you can sacrifice that Treasure token to satisfy the enter-the-battlefield trigger. This allows you to draw a card without losing any cards from your hand, effectively turning the Treasure's utility into raw card advantage.
Early in the game, Ornithopter of Paradise helps you ramp into your spells. If you no longer need the mana or the flying blocker later on, you can cast K'un-Lun Warrior and sacrifice the Ornithopter of Paradise as the ability resolves. This converts a redundant mana source into a new card from your library.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : K'un-Lun Warrior
Original English text — Wizards of the Coast / Scryfall
No additional ruling has been published for this card.
Legal formats
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Meta decks with K'un-Lun Warrior
No archived Top 8 deck with this card yet.



Professional Face-Breaker
Ornithopter of Paradise