Agmund's Iceblade

Avalanche {s}{u}{u} ({s}{u}{u}, Return a Snow permanent you control to hand: Put this card
onto the battlefield it gains haste, then at the beginning of your end step return this creature to your hand and you lose 2 life.)

Landfall - Whenever a land enters the battlefield under your control, you may a pay 3 life if you do create target opponent loses 3 life