Lisia

Put 2 random Basic Pokémon with 50 HP or less from your deck into your hand.

The chance this card fills each slot in a pack. Estimated packs is the average number of packs you'd open to pull one. It counts every slot in the row and how often that pack type appears, and Overall adds up every way to pull it.

Mega Altaria

Pack type	Slot	Pull rate	Estimated packs
Regular pack 94.711% of packs	Card 4	0.045%	2,323
	Card 5	0.181%	581
Pack with a bonus card 5.238% of packs	Card 4	0.045%	42,005
	Card 5	0.181%	10,500
Rare pack 0.05% of packs	Cards 1–5	4.761%	9,239
Overall			420