So sánh thẻ bài

1 Tuner + 1+ non-Tuner monsters
Once per turn: You can send 1 "Synchron" monster from your Deck to the GY, then activate 1 of these effects;
● Increase this card's Level by the Level of the sent monster.
● Reduce this card's Level by the Level of the sent monster.
During your opponent's Main Phase, you can (Quick Effect): Immediately after this effect resolves, Synchro Summon using this card you control. You can only Synchro Summon "Accel Synchron" once per turn.

"Alien Ammonite" + 1 or more non-Tuner "Alien" monsters
Once per turn, you can select any number of face-up Spell or Trap Cards. Return those cards to their owners' hands, and distribute new A-Counters among monsters on the field equal to the number of cards returned. Once per turn, you can remove 2 A-Counters from anywhere on the field to destroy 1 card your opponent controls.