Oracle

Creature - Human Assassin 2 / 1

Creatures with power greater than Silumgar Assassin's power can't block it.
Megamorph 2B (You may cast this card face down as a 2/2 creature for 3. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Silumgar Assassin is turned face up, destroy target creature with power 3 or less an opponent controls.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

2/25/2015
The powers of Silumgar Assassin and the creature trying to block it are checked only as blockers are declared. Changing the powers of either of those creatures after Silumgar Assassin is legally blocked won’t change or undo the block.

2/25/2015
Turning a face-down creature with megamorph face up and putting a +1/+1 counter on it is a special action. It doesn’t use the stack and can’t be responded to.

2/25/2015
If a face-down creature with megamorph is turned face up some other way (for example, if you manifest a card with megamorph and then pay its mana cost to turn it face up), you won’t put a +1/+1 counter on it.

2/25/2015
Megamorph is a variant of the morph ability. You can find more information on morph on cards with morph from the Khans of Tarkir set.

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