Unholy Grotto - [Foil, Retro Frame] Onslaught (ONS){T}: Add {C}. {B}, {T}: Put target Zombie card from your graveyard on top of your library.

add this card's effects to that spell

destroy target creature or planeswalker

Enchant creature Enchanted creature is legendary

[−5]: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn

Metalcraft — {T}: Add one mana of any color

if you control two or more Islands

put a +1/+1 counter on Toothy

another target creature you control gains haste and gets +X/+X until end of turn

{T}: For each color among permanents you control

Each pack contains 100 individual sleeves

Sacrifice a creature: Put a charge counter on Spawning Pit

that creature's controller may search their library for a creature card