Arguel's Blood Fast // Temple of Aclazotz

Legendary Enchantment

, Pay 2 life: Draw a card.
At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast.

Legendary Land

(Transforms from Arguel's Blood Fast.)
: Add .
, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

2017-09-29:
If your life total is 6 or greater as your upkeep begins, the second ability of Arguel’s Blood Fast won’t trigger. You can’t take any actions during your turn before your upkeep begins.
2017-09-29:
If your life total is 6 or greater as the second ability of Arguel’s Blood Fast tries to resolve, it won’t do anything.
2017-09-29:
Once you’ve announced the last ability of Temple of Aclazotz, it’s too late for anyone to interrupt you by trying to remove the creature you sacrifice.
2017-09-29:
For the last ability of Temple of Aclazotz, use the creature’s toughness as it last existed on the battlefield to determine how much life you gain.
2018-01-19:
For more information on double-faced cards, see the Ixalan mechanics article (http://magic.wizards.com/en/articles/archive/feature/ixalan-mechanics).