Exiling 13 cards off the top of your library represents a rough 1 in 6 chance that youll lose access to the card you need, with the odds improving to around 1 in 7 in the early game, and dropping as low as 1 in 5 if the game drags on for a while
For example, you cant sacrifice a Clue token to activate its own ability and also to activate Alquist Proft, Master Sleuths ability
The packs inside are from the special expansion from the Sword and Shield era of the TCG, which features some enat VSTAR and VMAX cards
His ability to ready up again twice per turn when chosen for an action or an item's ability seems fairly good to me as well, with a high ceiling for shenanigans, from my initial impressions at least
For example, if you control three 2/2 creatures, including one you can sacrifice to add , the total cost of Ghalta is