GraftGraft represents both a static ability and a triggered ability. “Graft N” means “This permanent enters with N +1/+1 counters on it” and “Whenever another creature enters, if this permanent has a +1/+1 counter on it, you may move a +1/+1 counter from this permanent onto that creature.”
If a permanent has multiple instances of graft, each one works separately. (CR 702.58) 3 (This creature enters with three +1/+1
countersTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) on it. Whenever another creature enters, you may move a +1/+1
counterTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) from this creature onto it.)
: Target creature with a +1/+1
counterTo counter a spell or ability is to cancel it: remove it from the stack without resolving it. A counter on an object or player is instead a marker that changes characteristics or interacts with rules or abilities; for example, a +1/+1 counter modifies a creature’s power and toughness. (CR 701.6; 122.1) on it gains
shroudShroud is a static ability. “Shroud” means “This permanent or player can’t be the target of spells or abilities.”
Multiple instances of shroud on the same permanent or player are redundant. (CR 702.18) until end of turn. (It can't be the target of spells or abilities.)