This effect can be absurdly powerful, as not only does she steal regardless of cost, but she can trigger both enter-the-battlefield effects and on-hit effects of your opponent's cards on the same turn
White's removal is excellent with everything from O-rings to sweet targeted removal for any permanent and auras like Sheltered by Ghosts never hurt either

Abomination, World Ravager Akoum Battlesinger Alexios, Deimos of Kosmos Altac Bloodseeker Anje's Ravager Ankle Shanker Arni Brokenbrow Arni Metalbrow Axgard Cavalry Balduvian Atrocity Balduvian Berserker Bark-Knuckle Boxer Battlesong Berserker Berserkers of Blood Ridge Blade-Tribe Berserkers Blood Aspirant Bloodbraid Challenger Bloodbraid Elf Bloodbraid Marauder Bloodcrazed Goblin Bloodmad Vampire Bloodsky Berserker Boneclub Berserker Breakneck Berserker Burning-Rune Demon Burning-Tree Bloodscale Calamity Bearer Casey Jones, Asphalt Hooligan Casey Jones, Back Alley Brute Casey Jones, Jury-Rig Justiciar Casey Jones, Vigilante Champion of the Weird Cinderheart Giant Cleaving Reaper Coalition Warbrute Deathbellow Raider Deathknell Berserker Doomskar Titan Dragonkin Berserker Duskwielder Dwarven Berserker Dwarven Strike Force Elvish Berserker Eradicator Valkyrie Escaped Null Falkenrath Gorger Fearless Liberator Fearless Skald Firehoof Cavalry Flame-Kin Zealot Flaxen Intruder Frenzied Goblin Frenzied Raider Furyblade Vampire Garna, Bloodfist of Keld Gastal Blockbuster Gastal Thrillseeker Gau, Feral Youth Ghor-Clan Savage Goblin Berserker Goblin Fire Fiend Goblin Heelcutter Goblin Striker Gorilla Berserkers Gouged Zealot Grim Draugr Gruul Scrapper Gutsplitter Gang Hagi Mob Hardened Berserker Heir to the Night Hellraiser Goblin

I upped the card draw sources in the deck to 21 different cards, and felt like I had a much smoother time of it
Order of damage prevention can be a bit tricky with cards that stop specific amounts of damage, like Thought Lash
Upon arrival, they were given a Masters Key Pokemon card