If we have two Spellskites we can bounce the spell back and forth between them, giving our opponent a poison counter for every 2 life we pay to Spellskite'ss phyrexian mana activated ability
This card is great for making creatures that can help pay for Waterbend costs, however, it also gives your opponents creatures as well
Just about every MTG set has a red sorcery that does one damage to each creature an opponent (or every opponent) controls - with an equipped Ghyrson on the board, that becomes a one-sided board sweeper (indestructible creatures, and creatures with protection from red or blue not withstanding)
Unexpectedly Blue/Red, he allows players to draw a card at the end of their turn if they've hurt someone other than you
Each player must try and get to the Pokmon on top of their deck of cards by moving their pawn along the corridors
Reverse the Polarity Reverse the Polarity has wonderful modal options