Well break our upgrades up into two parts: budget (~$5 or less) and non-budget ($5 or more)
Due to these cards not really being available anywhere, upon reading this article, many MTG players were understandably rather perplexed
The key to a Gishath deck is in its ability, which states that whenever it deals combat damage to a player, its controller reveals that many cards from the top of their library and may put any number of Dinosaur creatures revealed into play
Because it makes treasure, you can really count this creature as fixing, and thats typically a valuable thing to have in Limited, plus this set has some nice treasure payoffs
If Pack Rat leaves the battlefield before its activated ability resolves, the token will still enter the battlefield as a copy of Pack Rat, using Pack Rat's copiable values from when it was last on the battlefield
However, these tournaments often need to be entered with the use of Tickets, which can be bought for $1 each