Tribal Zombies, mill, and traditional reanimator builds are the most common, but over time, the abilities of this creature are inexorable enough to wear any pod down, regardless of your primary strategies
After all, the vast majority of your spells are going to need to be cast, not exiled with Elminster's second loyalty ability
1 Summon: Shiva From Various Final Fantasy Games Rather Than Chasing Shiva Herself, Look Out For Her And Other Summon Cards Shiva's card-draw abilities make her an asset to any Blue deck, but it's her card type that makes her really interesting
Even if this happens and Phyrexian Censor gets removed, you can still celebrate there being one less piece of removal
Combine its ability with something like Crucible of Worlds and suddenly you can blow up three lands per turn with a Strip Mine
Giving an opponent a 1/1 Rat token with deathtouch doesnt matter much when all of your casts have protection from rats