mtg commander vampire deck Black/White - Custom Built 100-Card EDH Deck and Arcane Wizardry Are these two precon decks

The high land count provides a good basis to summon them, supported by artifacts included in the deck or creature cards like Klauth or the Savage Ventmaw

A powerful effect, ensuring youre not losing on card resources while opponent is potentially losing a card and dropping behind on card value

2BB (Turn 3-4) Having two creatures out by turns three or four wont be too hard of a task

And sure, this can grant indestructibility when it enters, or can do it at instant speed if you have the mana for disguise which means that it will kill whatever blocks it and survive thanks to death touch and indestructibility, but it seems like youre just paying too much mana for this no matter how you deploy it

In Modern, CotV mainly sees play to have hate interaction against one drop creatures like DRC and Ragavan and 0 mana spells like Living End, Glimpse of Tomorrow or Crashing Footfalls