All still provide one of the most efficient and immediate returns on cards for the mana and still see occasional use but with most decks being more traditional agro, midrange and control these cards are too risky and too symmetrical to be appropriate very often
Eldrazi and Scion are each separate creature types
4 is about right to not be a broken source of giant creatures, some of which have really strong abilities
A summon is a saga creature, so it works exactly like a saga: Once you reach the final chapter, and its triggered ability resolves, you have to sacrifice the saga
Each deck set includes 1 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 2 alt-border cards, with 1 Traditional Foil or nonfoil card of rarity Rare or higher and 1 Traditional Foil Uncommon card), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card.
4 Greninja ex: Crimson Haze (Special Art Rare) $139.27 A Blaze Of Color Greninja ex's Japanese price chart mirrors its English counterpart's trajectory, as this card debuted at TCGplayer around the $120 mark and has only increased since then