The first is pretty simple: its a cool surprise to find cards like Ancient Tomb in a regular, Standard-legal booster pack
Considering Meld is a Storm Scale of 5, it seems likely, given the right set of parameters, we'll see it again
Sorcery Color tag templates(None) Discard (CTRL to add secondary) Vampire Spawn When this creature enters, each opponent loses 2 life and you gain 2 life
Delve Rules A keyword ability that lets you exile cards from your graveyard rather than pay generic mana to cast a spell
Three distinct Secret Lair drops, each celebrating different facets of the FINAL FANTASY universe, will be available in limited quantities
Aside from that, the following cards mention oozes in their rules text, including a few token generators: Convert to Slime Gelatinous Genesis Corrupted Zendikon Gutter Grime March of the World Ooze Miming Slime Mystic Genesis Ooze Flux Ooze Garden Slime Against Humanity Slime Molding Gutter Grime is a strong enchantment for a typal build, but Slime Against Humanity is fun since it lets you break deckbuilding rules