Against even the best competitive decks, this can become thousands of damage very quickly and can give your opponent a tough decision to make: Do they want to setup poorly to avoid the damage, or do they want to have no Life Points to play with
While Lo isn't as powerful as a combo starter as Poplar, it is stronger in the grind game department, being able to Special Summon herself as you naturally progress through the Voiceless Voice gameplan
And while he may only enable you to sacrifice one permanent per turn, team him with sacrifice engines like Viscera Seer, tokens or recurring permanents (like Bloodghast or the cat oven combo of Witchs Oven and Cauldron Familiar) to sacrifice, and drainers like Blood Artist and Mayhem Devil, and things snowball very fast
Game features are identical as well, including both player-versus-computer and player-versus-player online battles, deck building, card trading, avatar customisation, a Pokmon TCG tutorial, and more
However, a single twenty-sided die (think Dungeons and Dragons) is great for tracking lore
Even if Lucario's presence wasn't enough to convince you about this card's cool factor, a glance at the background might make an impression