Of course, this power needed to be nerfed in the actual card game, so in the real world, sacrificing two monsters results in all of an opponent's monsters being destroyed
Some examples Some fakes Ive met in the last years I will post some real life examples
You still have to pay the full amount of mana for those spells plus some life, but it's all inherent card advantage
However, with the introduction of S:P Little Knight, this changed, and the card has been featured in nearly every competitive deck since its introduction in Age of Overlord
AndI think its safe to say youll have at least one other one a huge chunk of the time when you play her
It's a solid choice for control-based strategies, giving you a mana sink to gain extra cards in your hand and controlling your top deck