For two mana you can choose to activate one of its effects, choosing between gaining life, dealing damage to flying creatures, putting a +1/+1 token on a creature, or bringing cards out of your graveyard to put them back into your library
The random keywords Blitzwing, Adaptive Assailant gains will hopefully convert it quickly
You just need to calculate carefully, making sure you dont remove your commander in the process
It has the Haste mechanic, which overrides summoning sickness, and keeps creatures with power 2 or less from blocking the turn it was cast if the conditions for Delirium are met
While Pokmon TCG Pocket has PvP battling, the focus is on the collectability of the cards
Black has some of the best utility lands available, and of course a cracking mana engine to dig for, too