| 10/4/2019 |
An Island is a land with the subtype Island, not any land that could produce blue mana. For example, Mystic Sanctuary is an Island, but Castle Vantress isn't. Similarly, a Swamp is a land with the subtype Swamp, not any land that could produce black mana. |
| 10/4/2019 |
Activating Lochmere Serpent's first activated ability after it has become blocked won't cause it to become unblocked. |
| 10/4/2019 |
You can't activate Lochmere Serpent's last ability without targeting five cards in a single opponent's graveyard. |
| 10/4/2019 |
If up to four of the target cards are illegal targets by the time Lochmere Serpent's last ability resolves, the remaining legal targets are exiled and Lochmere Serpent is returned to your hand. |
| 10/4/2019 |
If each target card is an illegal target by the time Lochmere Serpent's last ability resolves, the entire ability won't resolve. Lochmere Serpent won't be returned. |
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