Dimension Shredder

This card cannot be countered.
summon four rip portals and put a one turn time counter on this card.
When the time counters are consumed do:
Deal X x3 amount of damage where X is the amount of charge counters you have.
Hit X x2 amount targets where X is the amount of portals sacrificed.
This card can be played from your graveyard if played this way E.G.O corrode.