wyrm's pan card sleeves Cave There are 75 cards of this size in the game Zatu Games 110 x Wyrmspan Compatible Sleeves (57 x 57 mm) Toys Wyrmspan + Dragon Academy Expansion

Cards like Narset of the Ancient Way and Sorin, Grim Nemesis benefit from discarding a split card since it deals damage equal to the mana cost

Cards with effects that are too small or too expensive, for example, Hissing Miasma only makes opponents lose 1 life, Hedron-Field Purists costs 15 mana to prevent 2 damage from each creature, Orim's Prayer only gains you 1 life per attacking creature, etc

Numeron Wall's Quick Effect to activate Numeron Network from the controller's hand or Deck, if they send it from the hand or field to the Graveyard while they control no cards, except for copies of Numeron Wall itself, is likely a reference to an anime-only effect of Numeron Network

It phases out until The Moment leaves the battlefield

A melded creature's mana value is the sum of its two melded cards

Both are viable, but not in the same match-up