This guide on preparing foil proxies tells you all you need to know, but Ill go over a TL;DR version here
On top of that, Bloomburrow also gave us Overprotect, which adds Hexproof and Indestructible on top of Trample for no extra mana cost
Put two +1/+1 counters on target creature
I love the story of this card because he's so fearsome in the art, but what he does in the game is [run away]...This is a great example of combining the character [lore] with a fun card, Ryan Miller Kim adds that Rexs card also features Woody and Buzz glimmers in the background, protected by their fearsome Bodyguard
Goblin Guide [Extremely Fast and Early Pressure] Most red decks thrive on aggression, and Goblin Guide is one of the strongest red creatures in MTG for that purpose
Sacrifice does destroy indestructible creatures