1) Stardust Warrior
"1 Tuner Synchro Monster + 1 or more non-Tuner Synchro Monsters
During either player's turn, if your opponent would Special Summon a monster(s): You can Tribute this card; negate the Summon, and if you do, destroy that monster(s). During the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your Graveyard. If this card is destroyed by battle, or if this card you controlled while face-up leaves the field because of an opponent's card effect: You can Special Summon 1 "Warrior" Synchro Monster from your Extra Deck. (This Special Summon is treated as an Synchro Summon.)"
2) Accel Synchron
"1 Tuner + 1 or more non-Tuner monsters
Once per turn: You can send 1 "Synchron" monster from your Deck to the Graveyard, then activate 1 of these effects.
● This card gains Levels equal to the Level of the monster sent to the Graveyard by this effect.
● This card loses Levels equal to the Level of the monster sent to the Graveyard by this effect.
During your opponent's Main Phase, you can: Immediately after this effect resolves, Synchro Summon 1 Synchro Monster, using this face-up card you control as a Synchro Material Monster (this is a Quick Effect). You can ony Synchro Summon "Accel Synchron" once per turn."