The card basically reads as "if your opponent takes game actions, you draw a card, oh hey, and also, no looping extra turns over there, guy." That's under normal game conditions, mind you

Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-107 | C | CHARACTER Doberman Attribute Strike Block Icon 1 Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-108 | C | CHARACTER Donquixote Rosinante Attribute Special Block Icon 1 Type Navy/Donquixote Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-108 | C | CHARACTER Donquixote Rosinante (Parallel) Attribute Special Block Icon 1 Type Navy/Donquixote Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-109 | C | CHARACTER Jaguar.D.Saul Attribute Strike Block Icon 1 Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-110 | R | CHARACTER Hina Attribute Special Block Icon 1 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Block] Select up to 1 of your opponent's Characters with a cost of 6 or less

An extra turn might not seem that amazing considering you won't have much mana left the turn you cast this, but the real power is that it gives you the opportunity for all your other creatures and planeswalkers to provide extra value
Legendary Creature - Elemental Phyrexian Draw (CTRL to add secondary) Land Path of Ancestry This land enters tapped
Its speed-based cost reduction gets your vehicles out faster, and the stat buff it grants to your creatures helps to crew vehicles more efficiently