If Warehouse Tabby leaves the battlefield while it has an Aura you control attached to it or at the same time as another creature with an Aura you control attached to it, its ability won't trigger for those enchantments unless they were destroyed by the same effect that caused Warehouse Tabby to leave the battlefield
Returning a cheap creature with an enters or dies trigger to your hand makes paying two mana and two life seem like a small price to pay as you repeatedly drain lifedrain life, make tokensmake tokens, draw cardsdraw cards, make the table sacrifice creaturesmake the table sacrifice creatures, or worst of all, mill more cardsmill more cards to get better stuff back into your hand
There are a lot of six-mana enchantments in New Capenna that wont see play in formats like Standard, but will become cornerstones of obnoxiousness in Commander
See below for an overview of the Lapras EX deck: Strengths: Lapras Exs 140 HP makes it tough to beat The Bubble Drain attack only costs 2 Water and 1 Colorless Energy Deals decent damage of 80 Weaknesses: Water Pokemon take +20 damage from Lightning-type Pokemon Full Deck List During the Lapras EX event, you can challenge four different difficulty levels: Beginner, Intermediate, Advanced, and Expert