Just as with that card, replacing itself with more sacrifice fodder is always great
Be sure to read any terms and conditions on the code cards you have as there may be limits to how many you can redeem of one code type.
The set bundle also contains a healthy picking, including ten draft boosters, one foil alt-art promo card, 40 Lands, an oversized d20, and a card storage box.
Joker's Straight X SPELL Discard 1 card, Special Summon 1 "Queen's Knight" from your Deck, add 1 "King's Knight" or "Jack's Knight" from your Deck to your hand, then, immediately after this effect resolves, you can Normal Summon 1 monster
DOMINARIA UNITED: GREEN Defiler of Vigor is the green version, and naturally, it grows your team with counters and brings a hefty body to the table for five mana