Coral Atoll
Land
This land enters tapped.
When this land enters, sacrifice it unless you return an untapped Island you control to its owner's hand.
: Add 
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John Avon
Commander Legends (CMR)
• #480Rulings
This has a triggered ability when it enters, not a replacement effect, as previously worded.
(wotc • 2006-02-01)
Rulings
This has a triggered ability when it enters, not a replacement effect, as previously worded.
(wotc • 2006-02-01)