(Exile cards from the top of your library until you exile a nonland card with mana value 5 or less
Number 49: Fortune Tune is an interesting choice over something like Zenmaines or Mechquipped Angineer, firstly gaining 500 life per turn while its on the field can make a massive difference when playing 3 Soul Charge, second it cant be targeted by card effects, sure 900 defense is easy enough to attack over but with its effect of being able to simply detach a material to avoid destruction from an attack, its a great way to stay alive for a turn or two, also the ability to shuffle itself back into the extra deck as well as 2 level 3 monsters from your graveyard back into the deck can really make the difference if youve burned through your Centipedes and Dragonfly
Fusion Summon 1 Gem-Knight Fusion Monster from your Extra Deck, using monsters from your hand or field as material
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The classic Fling settles the game, but there are also dozens of ways to give Jumbo Cactuar Trample to effectively ignore any blocker that the opponent puts in front of you