In D&D terms, her signature spell is Create Undead a more powerful incantation producing undead who remember their past lives and abilities, instead of mindless skeletons and zombies
If you are playing with just Tales of Middle Earth cards, you will probably want to cut The Balrog, Flame of Udun because of the density of legendary creatures in the set, especially with the ring tempts you mechanic making any creature legendary
This big beast costs 8 mana in total and is a 5/5 with haste, but it also has a powerful ability: "When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control." If a player has a board of around 10 creatures, and they slam down a Craterhoof, they're likely to take out multiple opponents in one turn
Exile Worlds Within Worlds
This mostly means having abilities that add some kind of randomizing aspect to the game , as well as enabling said strategies in some way
Here's hoping that this is just the first in a series of reprints at regular intervals down the line