yugioh cards rainbow dragon Bonds Beyond Time Movie Promo Malefic YMP1-EN005 up Field Spell Card on the field Rainbow Overdragon | Card Details

Even in situations where you dont have access to Scion or Binding, Leyline still has some uses

Below that, use CGC's lower fees or don't grade at all

When this card inflicts Battle Damage to your opponent, send the top card of their Deck to the Graveyard, add 1 Zombie-Type monster with 1200 or less DEF from your Deck to your hand

C Common Nordic Relic Hlidskjalf X SPELL Special Summon 1 "Nordic" monster from your Deck, but you cannot Special Summon monsters from the Extra Deck, except "Aesir" monsters, while that monster is face-up on the field

This provides simple and powerful green ramp effect, and its a necessary one