You can pay one black mana and two life to give a creature -1/-1 for the turn
Their intended design is to get rid of a problematic nonbasic land and force your opponent to replace it with a basic land
Loyal Retainers You could just cast Animate Dead, but can I interest you in Loyal Retainers instead
Countermagic : Mystic Snake, Frilled Mystic, Draining Whelk Reanimation : Karmic Guide, Phyrexian Delver, Extraction Specialist Milling : Manic Scribe, Thieves' Guild Enforcer, Sage's Row Denizen Self-Milling : Stitcher's Supplier, Satyr Wayfinder, Balustrade Spy Discard : Burglar Rat, Mesmeric Fiend, Sin Collector Goading : Insufferable Balladeer, Jeering Homunculus, Vengeful Ancestor "Gain Control" effects : Hostage Taker, Agent of Treachery, Gonti, Lord of Luxury Clones : virtually all of them, though a few are decently pricey
Craterhoof Behemoth is king for a reason
Then if you decide to turn it face-up at some point in that turn, it will meet its doom: upon the nearest SBA check, Rattleclaw Mystic will go into your graveyard