magic core set 2019 booster box Magic: The Gathering and perfect your signature strategy. Magic the Gathering Core Set

Now here is where the tapering out comes

You can banish this card from your side of the field or Graveyard, while "Mython Hero Perseus" is on the field: Special Summon 1 "Mython Beast Pegasus" and/or 1 "Mython Hero Chrysaor" from your hand, Deck or Graveyard

In this case, which effect activates first: this Leader's [Opponent's Turn] effect or the [On Play] effect of "OP04-092 Rebecca"

Contents: 30The Lost Caverns of IxalanSet Boosters 12Magic: The Gatheringcards per booster 1-4 cards of rarity Rare or higher in every pack 1 Art Card (foil-stamped Signature Art Card replaces the Art Card in 10% of Boosters) 3-7 Uncommon cards 3-7 Common cards 1 Land card (Traditional Foil in 20% of packs, Full-Art Land in 30% of Boosters) 1 Traditional Foil card 1 token/ad card, Helper card, or a special card fromMagic's historyfound in 25% of packs

When I dug into the decklist, that gem count came from a rate of at least 40 gems per mythic, 20 gems per rare, 10 gems per uncommon, and about 5 gems per common