(If a player controls 2 or more, they must send some to the GY so they only control 1.) During your Main Phase: You can add from your Deck to your hand 1 "Umi", 1 "Kairyu-Shin" Spell/Trap, or 1 "Sea Stealth" Spell/Trap
Product Contain: Constructed Deck x51 Promo Card x2 DON
Otherwise it is fun to watch your opponent's reaction as all the monsters from their deck and graveyard are stripped by Inferno Tempest and removed from play along with your own and maybe 10 more cards because of Necroface
SR Super Rare Timebreaker Magician X DARK Level 3 [ SpellcasterPendulumEffect ] ATK 1400 DEF 0 P Scale 2 Each turn, the first Pendulum Monster(s) you control that would be destroyed by an opponent's card effect, is not destroyed
There are a lot of different in-game currencies, and a lot of ways that players can spend quite a bit of money, but its not hard to build up a large collection of cards without doing so
If they have Potions, knowing that can tell you that whittling them down might not be a good idea, letting you invest your Energy better