Yag Rata, keeper of hells gate

Trample, Haste, First strike, double strike
Protection from blue.
This spell costs {1} less to cast for each gate you control.
Landfall- whenever a land enters the battlefield
under your control, you may create a 4/4 red
demon token with flying, trample, and haste.
When a gate enters the battlefield under your control, you may put Yag Rata, from your
graveyard to the top of your library.