When it's defeated, exile it, then cast it transformed.) When Invasion of Lorwyn enters the battlefield, destroy target non-Elf creature an opponent controls with power X or less, where X is the number of lands you control
Deafening Silence It's hard to argue with the efficiency of this card because you should pretty much always be able to cast it on your first turn, perhaps even after casting something else
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A 4/4 creature is already big on its own, especially if you arent prepared for it or youre just attacking with a smaller one
Most chase cards you can think of exhibit this timeline
More importantly, it has encore, which results in a mass pump of +6/+6 to at minimum three hasty 5/5s