When a monster you control is destroyed by a card effect and sent to the Graveyard (except during the Damage Step): Pay 1000 LP; Special Summon 1 Level 4 monster from your Deck.
These cards have effects that could destroy your own monsters:
Rare Metal Dragon has the highest raw attack of all Level 4 or lower monsters. Use Soul Rope to Special Summon this 2400 beater from your deck.
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