If you want tournament-legal, the cheapest option is the foreign white border version of Revised , which is around $500
Beanstalk Giant is fantastic ramp, Merfolk Secretkeeper is great mill, and Realm-Cloaked Giant is an excellent board wipe, and that's ignoring the fact they can then come back as creatures later down the line
So, when you put the stats aside, ignore what the attacks and abilities can and will do in battle, which ones are the best visually
Phantom Nishoba Loxodon Hierarch Nazahn, Revered Bladesmith Qasali Pridemage Saffi Eriksdotter Mystic Enforcer Knight of the Reliquary Fleetfoot Panther Gaddock Teeg Voice of Resurgence Rhys the Redeemed Tolsimir Wolfblood Wilt-Leaf Liege Sigarda, Host of Herons Sigarda, Heron's Grace Selvala, Explorer Returned Selesnya Guildmage Renegade Rallier Armada Wurm Captain Sisay Centaur Healer Dauntless Escort Dromoka, the Eternal Dragonlord Dromoka Enlisted Wurm Fleecemane Lion Karametra, God of Harvests Kitchen Finks Loxodon Smiter Mirri, Weatherlight Duelist Novablast Wurm Holy crap
If youre looking for one, a brand-new card in mint condition will cost you at least ~US$265
As one of those is mono-colored, that means the only real option here is Farideh, Devils Chosen