Commander Kagha, Shadow Archdruid Whenever Kagha attacks, it gains deathtouch until end of turn
What they should have really been concerned about is how powerful Emrakul would be if she teamed up with those 15 squirrels, as seen on Emrakul and Chatterfang

Amazoness cards Amazoness Tiger Amazoness Empress Guardian cards Guardian Ceal Guardian Elma Reaper Scythe - Dreadscythe Celestial Sword - Eatos Wicked Breaking Flamberge - Baou Harpie Lady cards Harpie Lady Sisters Elegant Egotist Monster cards Torpedo Fish Great Moth Basic Insect Kamakiriman Little D Sword Arm of Dragon Gorz the Emissary of Darkness Wing Egg Elf Minar Armed Samurai - Ben Kei Codarus Shining Abyss Shield Worm Big Insect Lady Assailant of Flames Maiden of the Aqua Princess Pikeru Insect Princess Nemuriko Psychic Kappa Cannonball Spear Shellfish Spear Cretin Danipon Petit Moth Resonance Insect Extra Deck Monsters Bracchio-Raidus Spell cards Book of Secret Arts Vile Germs Umi Jade Insect Whistle Power of Kaishin Spell Reproduction Soul Taker Trap cards Switcheroroo Pikeru's Second Sight Major Riot BAKURA The cards found in Bakura's pack is a mixed bag

Long Rest This card harkens back to Seasons Past, a base-BG control deck that used its namesake card to generate enormous card advantage and never die
It is possible to use card effects that negate the activation of "Millennium Ankh"
Right now, the two biggest are Dredge (a top-four deck in the format) and Storm (a solid tier-two deck), although part of the power of Relic of Progenitus and Surgical Extraction is that they have a lot of random value in other matchups as well