ReachReach is a static ability.
A creature with flying can’t be blocked except by creatures with flying and/or reach. (See rule 509, “Declare Blockers Step,” and rule 702.9, “Flying.”)
Multiple instances of reach on the same creature are redundant. (CR 702.17)
When this creature enters, you may
forageTo forage means “Exile three cards from your graveyard or sacrifice a Food.” (CR 701.61). If you do, draw a card. (To
forageTo forage means “Exile three cards from your graveyard or sacrifice a Food.” (CR 701.61),
exileTo exile an object, move it to the exile zone from wherever it is. See rule 406, “Exile.” (CR 701.13) three cards from your graveyard or
sacrificeTo sacrifice a permanent, its controller moves it from the battlefield directly to its owner’s graveyard. A player can’t sacrifice something that isn’t a permanent, or something that’s a permanent they don’t control. Sacrificing a permanent doesn’t destroy it, so regeneration or other effects that replace destruction can’t affect this action. (CR 701.21) a
FoodA colorless artifact token: , tap, sacrifice it to gain 3 life. (CR 111.10).)