Once the ability triggers, raising that creature's power above 2 won't affect that ability
We need to take a close look at some areas of the card that are very, very difficult to fake affordably
Against a burn deck you are generally doing them a favour by casting this
Two cards head to your hand, and two head to the graveyard, at the loss of 2 life, such as with Sign in Blood and similar friends
The premise is this: you are a powerful wizard, called a planeswalker, who summons creatures, spells, and weapons to aid you in your destruction of other planeswalkers
Scientists Atlantean Cavalry Atlantis Attacks Attuma, Atlantean Warlord Bold Biochemist Bruce Banner Depower Echo, Perceptive Prodigy Falcon, Winged Wonder Falcons Wing Harness Frozen in Ice Futurist Forge Giant-Sized Flying Ant Hydraulic Helper I Am Iron Man Iron Lad, Diverging Destiny Ironheart, Clever Champion Justice, Vance Astrovik Kang the Conqueror Kid Loki Leader, Super-Genius Loki, God of Mischief Mister Fantastic, Reed Richards Ms