| 5/1/2012 |
The active player chooses which creatures will be sacrificed first, then each other player in turn order does the same. Then all creatures are sacrificed simultaneously. |
| 5/1/2012 |
If a player controls only one creature, that creature is sacrificed. |
| 5/1/2012 |
Barter in Blood doesn't target any creatures and may be cast even if a player controls fewer than two creatures. |
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