Sunbird's Invocation

Enchantment    (CMC:6)

Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's converted mana cost. You may cast a card revealed this way with converted mana cost X or less without paying its mana cost. Put the rest on the bottom of your library in a random order.

23—24 September 2017

165 Prerelease XLN ★ ENChristine Choi

™ & © 1993— Wizards of the Coast

Legal in: Pioneer,Modern,Legacy,Vintage,Commander

Oracle Text (click to copy):

Sunbird's Invocation {5}{R} Enchantment Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's converted mana cost. You may cast a card revealed this way with converted mana cost X or less without paying its mana cost. Put the rest on the bottom of your library in a random order.

9/29/2017
Casting Sunbird’s Invocation won’t cause its own ability to trigger.
9/29/2017
The ability of Sunbird’s Invocation resolves before the spell that caused it to trigger. It will resolve even if that spell is countered. If you cast a spell as part of the resolution of the ability, that spell resolves before the spell that caused the ability to trigger.
9/29/2017
For spells with in their mana costs, use the value chosen for X to determine the spell’s converted mana cost.
9/29/2017
If the spell’s converted mana cost is 0, you do nothing as the ability of Sunbird’s Invocation resolves.
9/29/2017
If a revealed card in your library has in its mana cost, you must choose 0 as the value of X when casting it without paying its mana cost.
9/29/2017
If you cast one of the revealed cards, you do so as part of the resolution of the triggered ability. You can’t wait to cast it later in the turn. Timing permissions based on the card’s type are ignored, but other restrictions (such as “Cast [this card] only during combat”) are not.
9/29/2017
If you cast a card “without paying its mana cost,” you can’t pay any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs, such as that of Costly Plunder, those must be paid to cast the card.
9/29/2017
The converted mana cost of a split card, such as cards with aftermath from the Amonkhet block, is based on the combined mana cost of its two halves.

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