I can definitely understand people not putting Yawgmoth, Thran Physician in their top five list as its only played in one deck, which isnt a dominant player in the metagame either, but the card makes the archetype and there arent too many good mono-black creatures in Modern right now
When this card declares an attack you can banish any number of "The Forgiving Maiden" and "Darklord Maire" from your GY, This card gains the combined ATK of the banished monsters." _ _ "When this card is Normal Summoned: Special Summon one "Maiden Saint" monster or one "The Forgiving Maiden" or "Darklord Marie" from your Deck or GY
Crow" is chained to the activation of the effect of "Brotherhood of the Fire Fist - Lion Emperor", so that at the time of the resolution of the effect of "Brotherhood of the Fire Fist - Lion Emperor" the targeted monster is not in the GY, since the targeted monster cannot be added to the hand, the effect of "Brotherhood of the Fire Fist - Lion Emperor" that stops you from Normal or Special Summoning a monster with the same name as the targeted monster is not applied" As you can see, should the target not be added, or the whole effect is negated, then you are still allowed to Summons a monster with that name
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As such, while your best creatures might not get through, you can whittle down your opponents life total by continually attacking with a mass of creatures
