Like most Magic: The Gathering cards, the value of Mabel, Heir to Cragflame depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Bloomburrow)
A 3/3 with first strike should attack without any trouble, especially when you consider the when a samurai or warrior attacks alone effect
Lets compare a real Flooded Strand from Onslaught (2002) and its fake card: Touch and Feel for Older Cards When inspecting a card, while this may sound obvious, you have to take the card out of the sleeve and hold it in your hand
More so than most of the other cards on this list it lets you outplay your opponent as well which is always an indication of good card design
Whenever you cast a noncreature spell, create X 1/1 red Phyrexian Goblin creature tokens, where X is the mana value of that spell
It costs five colorless mana to use and has an ability that allows the player to tap any number of Creatures within the player's control with a total power of 2 or more