Level Up only as a sorcery.) Level Up is a keyword ability that allows you to pay mana (at sorcery speed) to put level counters on a creature
Not even death can stop them, as their powerful necromancers raise the honored dead to continue leading and serving
Tempt with Discovery works as follows: You search for a land and put it onto the battlefield
While it may require a bit of luck to hit a good target, its ability becomes wild in multiplayer formats, often snowballing games by providing you with overwhelming board states or resources
In Taxes, the fact that it's an ability and not a spell means that Thalia actually reduces the cost by 1 instead of taxing it, which is nice
Counters, noncombat damage, targeted spells, you name it