They usually don't get revealed right away
Heart Swap Spell Card/Normal If you control a face-up "Manaphy, Prince of the Sea": Target 1 face-up monster on the field whose ATK is different from its original ATK, then target 1 other monster you control
Kaito, Cunning Infiltrator has a few things going on for it, notably that you can give a creature unblockable and profit from your creatures hitting your opponents
It was really the first time we saw a creature with an enters trigger be really pushed
Core Main Deck Parlor Dragonmaid x3 Chamber Dragonmaid x3 Kitchen Dragonmaid x0-2 Nurse Dragonmaid x1 These cards are played at 3 (with the exception of nurse) because they're really good openers to your turn
Armored Scrapegorger Armored Scrapgorger can be so much more than just a great mana dork It adds any color of mana, it can become a mid-size creature, and it can remove pesky cards in your opponents graveyard