He comes in indestructible and his ability automatically triggers at end step, so this feels sort of like an Etali where you pay one mana more to guarantee at least one trigger while also draining your opponents for a bunch of life
Just like with planeswalkers, players can attack battles during their attack phase, and the defending player may choose to block those attacks
destroy all cards your opponent controls, also, for the rest of this turn, your opponent takes no damage
Goblins are also a strong creature type, so the more goblins you can make, the better
But The Destined Warrior takes the cake as a cost reducer and a pretty good incentive to go wide with party members
Cards such as Sangan, Witch of the Black Forest, and Mystical Space Typhoon suddenly appear in the characters' decks when they could have been used in the manga duels, and monsters that were shelved in the manga, such as Summoned Skull and Black Luster Soldier, are brought back for some anime episodes and never referenced again