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
If you can attach a photo to an email, you can build a Snapshot card
ENTER THE SPIDER-NAUT
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.
Here are ten staple lands that I look to for mana production, card advantage and colour fixing: Command Tower Description : Command Tower taps for one mana of any colour in your Commander's colour identity