Like most Magic: The Gathering cards, the value of Curious Altisaur depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (The Lost Caverns of Ixalan Commander)
Gnarlwood Dryad can only really be on defence
Demonic Tutor Whatever you need Demonic Tutor is a two-mana sorcery that reads: Search your library for a card, put that card into your hand, then shuffle. While this card can be cast on turn two to get a turn three play, its a card that becomes more and more useful the longer the game goes on as long as your deck has good cards in it for every situation
You do need equipment for this to be good, but that wont be too hard to acquire
All you have to do is slide the card into the protective pouch of the sleeve until it reaches the other end, with the card's face on the side of the sleeve's clear side
This can make it difficult for them to ink and even find the right lines in certain scenarios