At the start of your combat step, all your Merfolk creatures explore, revealing the top card of your library and putting it into your hand if its a land, or giving that Merfolk a +1/+1 counter and then letting you choose to keep it on top of your deck or into your graveyard
So, you can use the same setup as described before, all through the program
Attacking creatures get +2/+0 until end of turn
One of the best uses of this ability is in the Landfall and Ramp archetypes, where Miku, Lost but Singing is able to get down powerful land cards and ramp mana early to allow high-cost creatures and cards to be used with ease
Im sure that Tifa, Martial Artist will prove to be a better Final Fantasy commander card in MTG than Cloud in the long run, but she needs a suitable deck to operate with, and Limit Break does not provide that for her, specifically
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