Some other spells can also draw extra cards while Orvar copies things: Cerulean Wisps, Shadow Rift, and Leap all draw a card on resolution, so you can keep your hand nicely stocked at the same time
However, there are plenty of ways to make her abilities more potent
Premium secured labels High-quality labels with 6 security features: Tear-detection, 3D Relief, Special Varnish, Special Patterns, UV Logo, CCC Hologram
With a little buff he can even wipe middle to big threats
In multiplayer games, especially, Esper Sentinel almost always replaces itself and then keeps going
So here we are, with the third expansion for Magic: The Gathering , and the first 'big' expansion, consisting of 310 cards as compared to the 100-set Arabian Nights and Antiquities