the power nine mtg cards - Various Artists Will power creep ever exceed

Some of the classics are the various Niv-Mizzet cards, like Niv-Mizzet, Parun and Niv-Mizzet, the Firemind

Esper Sentinel Card draw on a human Esper Sentinel is a one-mana White 1/1 that reads: Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays X, where X is Esper Sentinels power. On the face of things, that means you get to draw a card unless your opponent pays one mana

Ryida, Summoner of Mist Fitting in with the limited theme of landfall for Red/Green Rydia rummages whenever you play a land, and can exploit that by hastily resurrecting the various summons in the set represented as enchantment creatures

Lord Skitter, Sewer King sneaks graveyard hate into the list, though its primarily here to produce sacrifice fodder

Skittering Cicada Giving all your creatures flash is such a cool ability, like with Vedalken Orrery