An Isochron Scepter package that may include Orim's Chant, removal, tutors, counterspells, etc
For utility lands, I highly recommend Otawara, Soaring City + Takenuma, Abandoned Mire for always useful utility, Shizo, Death's Storehouse to give Venser evasion, and Phyrexian Tower which can turn The Hollow into ramp
Nerfing an opponent's key creature or wiping away those pesky Construct tokens is huge when you don't go down a card to do it
This may be able to fit into some vampire builds considering vampires often have two or more creature types
But if you find yourself in a hand-based matchup, like a combo deck or a blue mirror, then Ego Drain seems like a big add for your Halo Forager package basically Faerie Fencing for non-creature decks
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