yugioh giant ballpark deck Yu-Gi-Oh! - - SOFU-EN062 - Common - 1st Edition and if you do Giant Ballpark | Card Details

[1] [2] [3] A face-up Pendulum Monster in the Extra Deck can be Pendulum Summoned in addition to monsters from the hand, as long as its Level is between the Pendulum Scales

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If Summoned this way, during each End Phase: You take 1000 damage

The only real drawback is that you cant activate your own traps either

Spell Miracle Contact Normal Spell Shuffle into the Deck, from your hand, field, or GY, the Fusion Materials that are mentioned on an "Elemental HERO" Fusion Monster that mentions "Elemental HERO Neos" as material, then Special Summon that Fusion Monster from your Extra Deck, ignoring its Summoning conditions.