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Delirium - Whenever this creature attacks for the first time each turn, if there are four or more card types among cards in your graveyard, untap target creature

This shouldn't be playable in anything but the blackest of Black decks, and even then, the mana restrictions should almost make this an afterthought (barring Superior Spider-Man tricks)

Lost Origin

Whenever you cast a legendary spell from your hand, exile cards from the top of your library until you exile a legendary nonland card with lesser mana value

I've used an English Masticore for the example because that's the only card I have here, but I've checked it works with non-English cards too