There's nothing like running graveyard abuse hate in your mana rocks you can activate and draw a card at instant speed without hurting your own graveyard
Skorpekh LordSkorpekh Lord and Triarch StalkerTriarch Stalker both provide menace to your most of your team, which serves as a way to get damage through, but it's also a way to force uncomfortable decisions if your opponents don't want to block
If these are indeed real, then a possibility of a printing error is not out of the question as to how the leaker got a hold of these cards

Acrylic Display Case for Pokemon Surging Sparks Costco Double Pack Bundle Acrylic Display for Surging Sparks Costco Double Pack Bundle Made in the USA Inside dimensions are 12.5 X 6.6875 X 3.5625 CNC Laser cut on 3/16 inch Cast Acrylic Acid free sheets and will filter out 100% of UVB and 35% of UVA Light Protective film for protection while shipping Easy assembly press fit design (no glue required) ***Does not come with Costco Double Pack Bundle, Display case only*** Acrylic Display for Surging Sparks Costco Double Pack Bundle Made in the USA Inside dimensions are 12.5 X 6.6875 X 3.5625 CNC Laser cut on 3/16 inch Cast Acrylic Acid free sheets and will filter out 100% of UVB and 35% of UVA Light Protective film for protection while shipping Easy assembly press fit design (no glue required) ***Does not come with Costco Double Pack Bundle, Display case only***
The Jeskai Striker deck is spell-heavy and diverse in design, offering room for upgrades and customization
Use the attack stat or defense stat on both cards to determine if you destroy a monster