yu-gi-oh gx - starter deck - duel academy jaden yuki YuGiOh Duelist Booster Pack : Toys & Games To use a card in Speed Duel it must have the Speed Duel Symbol on the card Jaden Yuki (manga) | Yu-Gi-Oh!

So that means triggering your Hedron Crab also triggers this homarid mercenary, as would targeting them with something like Glimpse the Unthinkable

And because of that, the realm of MTG Arena pack codes comes with its own set of rules and limits

OCG Asia Card Sleeves 2018 Accessories / Card Sleeves Yu-Gi-Oh

Series This product is sold out Firewall Defender Cyberverse Disablum Firewall Deck Parts, Set of 3 3 300 Firewall Defender Cyberverse Disablum Firewall Deck Parts, Set of 3 3 Seller 157820 Goods Trading card Brand Yu-Gi-Oh Series number of cards 3 cards Condition Used Shipping Days 34 Days Shipping fees 4,000JPY Shipping fee may vary depending on the destination country

Well, lets do the math

This is the size legal for tournament play under Play