It can be Special Summoned for free if you have a Normal Monster or Wyrm on the field
Without any further ado, here is the (completely subjective) tierlist
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The way I see it, you run this in grave dependent decks like LS or infernoids, their effects require banishing as a cost, and this guy feeds off the banished cards by stopping your opponent from playing the game
Being able to pull off all of the different combos you need through these hand traps takes some serious skill and knowledge of the deck, which is what makes Dragon Link such a tricky deck to master
it gains 1500 ATK until the end of this turn, and if it does, every opponent's monster that battles it this turn has its ATK become that monster's original ATK during damage calculation only