For starters, only one monster can be normally summoned per turn, meaning that unless the player begins their turn with the means to special summon included in their hand, the Synchro summon would take at least two turns
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This is useful for cards that would be discarding the Energy anyway like base Charizard or Charizard ex
Afterward, drag the contents of the Xyz bevel group directly above the Xyz texture layer (no clipping needed)
For players planning on playing Terra as their commander, it can be useful to build a deck with a plethora of cheaper creature cards that have helpful abilities and/or "Enter The Battlefield" effects