MTG

{0}: Change Sentinel's base toughness to 1 plus the power of target creature blocking or blocked by Sentinel. (This effect lasts indefinitely.)

{3}, {T}: Counter target instant or Aura spell that targets a permanent you control.

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {U}.)

{T}: Tap target artifact.

({T}: Add {W}.)

({T}: Add {U}.)

({T}: Add {B}.)

({T}: Add {U}.)

({T}: Add {U} or {R}.)

({T}: Add {U}.)

{2}, {T}: Put a charge counter on Red Mana Battery. {T}, Remove any number of charge counters from Red Mana Battery: Add {R}, then add an additiona...

({T}: Add {W}.)

Creature spells you cast cost up to {2} less to cast.

({T}: Add {B}.)

({T}: Add {W}.)

({T}: Add {U} or {B}.)

({T}: Add {U}.)

{3}, {T}: The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice...

({T}: Add {W} or {U}.)

({T}: Add {W}.)