The Lady of the Lake has spellcaster, submerge, and a powerful genesis ability that can summon a mortal or artifact in your cemetery to her location
Card advantage is a strategic concept (rather than a specific game term) and a lot broader, and basically means having more cardboard than my opponents. For starters, any card that puts more cards in your hand is card advantage, even if it doesn't say draw. But card advantage also looks at what happens in other zones
It even has tramplethus making that ability almost guaranteed to happen early game
Even if it eats some removal spell along the way, the damage is done
There is a legal phrase called promissory estoppel, which essentially means that if your promise has serious repercussions for the other party and by not keeping it you caused some sort of harm (financial, in this casespoiler alert), youre liable for that harm and can be prosecuted
Dissipation Field Sometimes, bouncing creatures is more punishing than destroying them because opponents need to re-spend mana on to cast them