Krenko, Baron of Tin Street Goblins are known for their numbers, and Krenko, Baron of Tin Street gives you a way to produce goblins and put +1/+1 counters on them
Players can't take actions between the time you choose what to attach and the time they're attached to the target creature
If you do manage to defeat the Battle, you get a three-power Creature that gives your non-Creature spells Convoke, which in conjunction with the Kraken tokens is a great ability if your deck is built around it
Overwhelming Forces was originally only available in Portal Three Kingdoms, a notoriously difficult-to-find set in many countries, which contributes to cards from the set being very expensive
You can pick it up and play for free against anonymous online opponents, and as long as you have the required tactical mind, patience, and high frustration threshold to enjoy Magic , this is likely a cheap method of entry
Evacuation Five mana to bounce all creatures is pretty strong
