Armored Griffin

Flying plus vigilance on a 2/3 body for four mana is the kind of card the Portal sets existed to print: a clean keyword stack with no triggered abilities, no activated costs, and nothing to hold on the stack. Portal Second Age dropped instants and complex timing from the rules entirely, chasing the audience the more intricate game scared off, and a flyer that can attack and still guard the skies makes a textbook case that good creatures only need to do good-creature things. The vigilance is the part doing the real work: it lets a new player make the aggressive attack and the defensive hold in the same turn, sidestepping the most common early regret of tapping out and getting punished on the swing back. The 2/3 frame keeps it honest, trading down to anything genuinely large while still ruling a board of token-sized fliers. There is no deeper engine to find, because the design brief forbade one; this is a creature whose entire identity is two evergreen keywords on a defensible body, sized so that a player still learning what flying and vigilance even mean could lean on it without needing to learn anything else first.