The first Goblin lord, Goblin King, debuted all the way back in Magic s first set, Alpha , and provided +1/+1 boost to power and toughness and mountainwalk to all other Goblins on the battlefield (that meant both yours and your opponents)
Theres no universal winner
For three mana, you get a Red 3/2 that gives you an attacking 1/1 Warrior token whenever a Warrior attacks
With 130HP, Koraidon has a reasonably sizable bulk, allowing it to withstand early-game attacks from smaller threats
Any time you can use all of your mana on something and still have the option to counter the response from your opponent, you should take it
Lost Caverns unabashedly pulls from several Latin American cultures across different periods of time