Like any new Magic set, cards are already available to pre-order, with varying prices and availability
While Tarmogoyf was accidentally absurdly strong for a creature, Baneslayer Angel was a deliberate attempt to making the sweetest Angel-finisher the game had ever seen, without relying on simply drawing extra cards, being untargetable, or costing almost no mana
"Rampage N" means "Whenever this creature becomes blocked, it gets +N/+N until end of turn for each creature blocking it beyond the first." 702.22b
According to tournament data
They were also worth three Prize cards when Knocked Out by your opponent, so as satisfying as they were to use, they did come with an extra risk
[3] In November 2021, it was announced that the game would be delayed until 2022