I think it's very nice. You compare both cards and decide which one is better: if yours, then both draw; if your opponent's, then send them to the graveyard. Can be very annoying for a mana-screwed opponent if you just remove the lands he's about to draw.
sorry mana-screw happens
also stops shipbreaker kraken from going monstrous
sorry mana-screw happens
also stops shipbreaker kraken from going monstrous
Need a twin to notion thief to take advantage of the opponent card draw perhaps Spirit of the Labyrinth
white is best at casting low cost threat creature which is good if your drawing cards hand over fist
splice in black for notion thief