7 Grand Tree Evolution Gone Wild Grand Tree is a unique Ace Spec card introduced in the Stellar Crown set
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.) Except for its color, the token copies exactly what was printed on the original creature and nothing else (unless that permanent is copying something else or it is a token
Though Ultra Ball in the modern game has a similar effect and cost, it does only allow you to search your deck for a specific Pokmon, rather than a specific card of your choice
Once the attack has been resolved, the turn ends, which will now be the opponents turn
In Pioneer, with decks that are both resilient to interaction and can quickly go over the top like Lotus, Mono-Green, Convoke I see two key scarce resources: High impact one mana cards- Your list on which make the cut for high-impact will differ, but I think it is safe to say there are fewer than 10 in the entire format: Llanowar Elves, Elvish Mystic, Fatal Push, Thoughtseize, Consider and a few others