Players still get priority while a spell with split second is on the stack
Id want to be coming at least close to netting even on mana with the Treasure tokens I create, so were talking being down a collective 5+ lands
Swampcycling ( , Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.) Matoya, Archon Elder Rarity: Rare TYPE: Legendary Creature SUBTYPE: Human Warlock CMC: 3 Mana cost: USD: $2.88 EUR: 2.77 TIX: 0.02 EDHREC RANK: 4975 (1/4) Whenever you scry or surveil, draw a card
Any "as [this creature] enters the battlefield" or "[this creature] enters the battlefield with" abilities of the new token will work
In this spot we have 64 rares and 20 mythics possible, so that gives us a drop rate of 1/84 for a particular foil rare and 1/168 for a particular foil mythic
This is much, much smaller than the estimated print runs of sets today, which are more like 2.5 billion cards