the brothers war collector booster box Brothers' The Brothers' War - Collector

Then you draw a card for each card type among cards discarded this way

6 Terefi's Protection By Steve Argyle - $47.49 SLD #1691 - Sheldon's Spellbook In this illustration by Steve Argyle from the Sheldon's Spellbook Secret Lair drop, the focus shifts in line with the set theme to focus on magical protection

This might be due to a spell or ability resolving or a colorless creature you control entering the battlefield with counters

[1] During your Main Phase: You can take 2 "Thunder of the Sacred Beasts" from your hand, Deck and/or GY, and place them face-up on your field, then you can reveal 1 Level 10 "Sacred Beast" monster in your hand, then if you did, take 1 "Fallen Paradise of the Sacred Beasts" from your Deck and place it face-up in your Field Zone

They have a special stamp on them which is how you know they are from those packs