The Modern Horizons 3 Eldrazi Incursion Commander Deck includes 1 deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-frame card of rarity Rare or higher and 1 Traditional Foil alt-frame Common or 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.
When the token copy of Vaultborn Tyrant enters the battlefield, its second ability will trigger
The same goes for Seize the Day which also benefits from having flashback
Most of the time, the engine piece, card draw creature, or mana dork is far more crucial to get rid of than Avacyn
It allowed a blue player to turn every card in their hand into a Twiddle
When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result