The efficient mana cost makes it very easy to cast Activated Sleeper after a board wipe to get a copy of the best creature that died or use it to pull off other tricks
The cherry on top that really makes the card interesting is that you can have all of this for only six colorless mana if you can find a way to discard it and pay its madness cost
Thankfully, there are three ways of getting around cards with indestructible exile them, place negative counters on them to reduce their toughness to zero, or force your opponent to sacrifice them

Heres what his build looks like: Monsters: 2 Scrap Golem 3 Scrap Beast 3 Scrap Goblin 3 Scrap Chimera 2 Battle Fader 1 Breaker the Magical Warrior 1 Cyber Dragon 1 Spirit Reaper 1 Gorz the Emissary of Darkness Spells: 3 Scrapstorm 1 Scrapyard 1 Mind Control 1 Foolish Burial 1 Giant Trunade 2 Mystical Space Typhoon 1 Dark Hole 1 Monster Reborn Traps: 2 Dust Tornado 3 Dimensional Prison 1 Magic Drain 1 Torrential Tribute 1 Mirror Force 1 Trap Hole 2 Bottomless Trap Hole 1 Solemn Judgment Extra Deck: 3 Scrap Dragon 2 Scrap Archfiend 2 XX-Saber Gottoms 1 Brionac, Dragon of the Ice Barrier 1 Black Rose Dragon 2 Stardust Dragon 1 Thought Ruler Archfiend 1 Colossal Fighter 1 Chimeratech Fortress Dragon I decided to play Scraps because its so similar to decks like Blackwings (the Special Summoning) and Zombies (working from the Graveyard), two Decks I never got to run in their best formats. McCarthy is playing 3 copies each of Scrap Beast , Scrap Goblin , Scrap Chimera , and Scrapstorm , since theyre the heart of the Decks Synchro Summoning strategy

its an underrated, excellent Ace Spec card that truly proves the worth of this card type, and also demonstrates exactly why youre only allowed one Ace Spec card in any given deck
Practice: refers to one type of activity