Youll need to control three permanents from other players to unlock Arvinox as a creature, which you can do by reanimating creatures from their graveyards, using the ability of cards like Gonti, Lord of Luxury, or with Arvinoxs own ability
Magic the Gathering has changed a lot over its multi-decade history
This can be a similar one sided board wipe, like Whelming Wave, but a lot less restrictive
Quantum Riddler and Possibility Technician Im putting these together since they play a similar role, as cards that virtually draw a card if warped, especially in low-curving decks that can look to reliably cast the card from Possibility Technician/draw 2 with Quantum Riddler and something that can just get cast later
It can go higher than seven if you play it right, and at three mana, thats plenty of mana leftover to enact your wild plans