| 10/4/2004 |
If two Spined Slivers are on the battlefield then each blocked sliver gets +2/+2 for each creature blocking it. |
| 7/1/2013 |
Abilities that Slivers grant, as well as power/toughness boosts, are cumulative. However, for some abilities, like flying, having more than one instance of the ability doesn't provide any additional benefit. |
| 7/1/2013 |
If the creature type of a Sliver changes so it's no longer a Sliver, it will no longer be affected by its own ability. Its ability will continue to affect other Sliver creatures. |
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