It's a classic Commander card in that if a player really wants to roll the dice and not let you draw a card, they could get extremely lucky, and you mill lands off the top of your deck, but if you just so happen to send some high-value cards to the graveyard, your opponent is going to be hit for massive life damage out of nowhere
The one downside is that you have to risk attacking with it to draw, but with the right equipment this wont be a huge issue
But if you're building a deck that makes lots of large creatures, the fight mechanic is a good way to deal with your opponents' threats
(2) If this card becomes equipped with an Equip Card: You can add 1 Mikanko Equip Spell from your Deck to your hand
Knowledge is power, and knowing what your opponents are going to play can be extremely useful in planning your next moves
For example, a creature that enters with backup 2 puts two +1/+1 counters on target creature