Earthlink

Destroy all white permanents.

At the beginning of your upkeep, put a time counter on this artifact. 1, T, Sacrifice this artifact: This artifact deals damage equal to the number of time counters on it to each creature and each player.

Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay 3. If they don't, this Aura deals 2 damage to that player and you tap that creature.

Flare deals 1 damage to any target. Draw a card at the beginning of the next turn's upkeep.

This creature has trample as long as you control a snow land.

Until end of turn, whenever a creature you control attacks and isn't blocked, you may choose to have it deal damage equal to its power to a target creature. If you do, it assigns no combat damage this turn.

Blocking creatures get +1/+1 until end of turn.

Tap an untapped snow land you control: This creature gets +1/+1 until end of turn.