You can see stuff there like Rogue's Passage to smash with your leader to get his trigger when desperate and then the three mana rocks and lands to stop your discarding EOT to keep the hand your built
If this card is destroyed by battle or card effect: You can Special Summon 1 Level 4 "Gadget" monster from your Deck, except "Silver Gadget"
Your deck is shuffled, Myriad Landscape is in your graveyard, and you have two less lands in your library
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
At best, this structure deck can offer you access to Magicians Souls, a card that is often used in decks that use a lot of spells/traps in order to draw deep into their deck
You can make a free 1/1 Rat that cannot block when another nontoken you control dies