The Legacy Continues.
Sei’ibutsu – “Seiken” / World Legacy – “World Key”
Level 1 DARK Machine Effect Monster
You can use each effect among the (1)st and (2)nd effects with this card’s name only once per turn.
(1) You can discard 1 “World Legacy” card; during your Main Phase this turn, you can Tribute Summon 1 monster, in addition to your Normal Summon/Set this turn. (You can only gain this effect once per turn.)
(2) If this card battles an opponent’s Link Monster, at the start of the Damage Step: You can return that monster to the Extra Deck.
Note: The Kanji reads as Key, the Furigana reads as Sword. So yes, it’s basically a Keyblade
Sei’ibutsu no Michibiku Saki / World Legacy’s Continuation
(1) You can only control 1 “World Legacy’s Continuation”.
(2) Each time a Level 5 or higher face-up monster(s) on the field is sent to the GY, place 1 counter on this card for each (max. 7).
(3) You can send this card with 7 of those counters on it to the GY; Special Summon 1 Cyberse Link Monster from your Extra Deck.
Sousei Kaiki / Rebirth Revision
You can only activate 1 card with this card’s name per turn.
(1) Special Summon 1 “World Legacy” monster from your hand or Deck, but destroy it during the End Phase of the next turn.