In terms of rarity, BREAK cards were apart of the now-ageing X and Y generation, so theyre becoming harder to find, but are still available in some places
Between the colorless-matters stuff like Echoes of Eternity, and Chiss-Goria, Forge Tyrant, mono-red artifacts can be a dream easily achieved
They got some inspiration from Kaldheim s foretell mechanic (which also lets you set aside spells and cast them later), and that's how they came up with the plot mechanic
Whenever an opponents creature dies with a -1/-1 counter on it, you return it to the battlefield under your control
Cruel Somnophage Without the Blue side, this needs about three creatures in graveyards to be on-rate (and counting casting the Blue side, arguably closer to five.) Depending on creature density, that may not be too hard