Infinite Super-Mill!!!

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

As long as equipped creature is tapped, tapped creatures you control get +2/+0. As long as equipped creature is untapped, untapped creatures you control get +0/+2. : You may tap or untap equipped creature. Equip

Landfall — Whenever a land you control enters, add one mana of any color.

, : Exile target land you control, then return it to the battlefield under your control.

: Exile the top card of target player's library. If it's a land card, you gain 1 life. Landfall — Whenever a land you control enters, you may untap this creature.

(: Add .)