[2]: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on this token." [0]: If you have at least 15 life more than your starting life total, exile Ajani and each artifact and creature your opponents control
Resource Reliance lands which require you to have (but not spend) another resource in order for them to work
That's strong (if it ever happens), but not exactly game-winning enough to be worth the trouble of filling a deck with a bunch of 2-mana 3/1s
The appearance on Edgar made it rather obnoxious, but the use on The Ur-Dragon was commendable
Rhystic Study, Trouble in Pairs, Sylvan Library, etc
Some of them, namely the bounce effects such as Unsummon, happen to work even better with Imminent Doom