After his public defeat during DEATH-T, he doesn't stop at anything to get his title back from Yugi, though it's still a step up from wanting to kill him during DEATH-T
Some artifact payoffs, like Urza, Lord High Artificer and cards with affinity, might not care if the Opal taps for mana or not
Also, Set Design was interested in finding ways to provide mana that played to the board, meaning they helped you advance toward winning the game rather than taking a turn off to play a mana source
Icy Manipulator is the classic example, but many more are out there

The rewards for completing each mission, along with their special rewards are as follows: Beginner First Time Reward 2x Pack Hourglass 50x Shinedust 1x Shop Ticket Chance Reward 1x Promo Pack 25x Shinedust 1x Shop Ticket Battle Tasks Knock Out your opponent's Pokemon 1 time with a Lightning-Type Pokemon - 3x Event Hourglass Put 3 Basic Pokemon into play - 3x Event Hourglass Intermediate First Time Reward 4x Pack Hourglass 100x Shinedust 1x Shop Ticket Chance Reward 1x Promo Pack 25x Shinedust 1x Shop Ticket Battle Tasks Knock Out your opponent's Pokemon 2 time with a Lightning-Type Pokemon - 3x Event Hourglass Put a Stage 1 Pokemon into play (only needs to be on your bench) - 3x Event Hourglass Win the battle before turn 14 - 3x Event Hourglass Advanced First Time Reward 6x Pack Hourglass 150x Shinedust 1x Shop Ticket Chance Reward 1x Promo Pack 25x Shinedust 1x Shop Ticket Battle Tasks Win 5 or more battles - 4x Wonder Hourglass Win this battle using a deck where all of the Pokemon cards are of 1, 2, and/or 3 Rarity - 4x Wonder Hourglass Win this battle by turn 14 - 4x Wonder Hourglass Win this battle without your opponent getting any points - 4x Wonder Hourglass Expert First Time Reward 8x Pack Hourglass 200x Shinedust 1x Shop Ticket Chance Reward 1x Promo Pack 25x Shinedust 1x Shop Ticket Battle Tasks Win 10 or more battles - 5x Wonder Hourglass Win 20 or more battles - 5x Wonder Hourglass Win this battle using a deck where all of the Pokemon cards are of 1, 2, and/or 3 Rarity - 5x Wonder Hourglass Win this battle by turn 12 - 5x Wonder Hourglass Win this battle without your opponent getting any points - 5x Wonder Hourglass Lapras EX Event Tips Watch your Stamina For the first time battles have Stamine, to participate in a battle will cost one Stamina but that Stamina does NOT get consumed if you lose the match

Live Event Risks also include the risks of objects that may fly or fall into the audience area during a performance, which may cause injury