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That said, this trope tends to be a bit

But I have tried to get an overall feel for MTG

Even if these monsters are not directly used to Xyz Summon, some duelists will be resourceful and crafty enough to use the monsters for other kinds of summons

I do think this is reasonably busted in some kind of Bant Training Grounds deck, but that feels like a deck a YouTuber wins with but when you try it, no luck

When it dies or is exiled, return it to the battlefield tapped.) If one of these lands enters at the same time as any number of basic lands, those other lands are not counted when determining if this land enters tapped or untapped