Horizon Spellbomb
Artifact
, 
, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
When this artifact is put into a graveyard from the battlefield, you may pay 
. If you do, draw a card.
Franz Vohwinkel
Scars of Mirrodin (SOM)
• #165Rulings
When you sacrifice Horizon Spellbomb, it’s search ability goes on the stack, and then the triggered draw ability goes on the stack on top of it. This means you first choose whether to pay {G} and draw a card, then you search; you do not search first.
(wotc • 2013-04-15)
Rulings
When you sacrifice Horizon Spellbomb, it’s search ability goes on the stack, and then the triggered draw ability goes on the stack on top of it. This means you first choose whether to pay {G} and draw a card, then you search; you do not search first.
(wotc • 2013-04-15)