From day one, players from Pauper on up were gleefully using Momentary Blink to double their Mulldrifter triggers for no extra mana since they could cast it for the cheaper evoke cost and then Blink in response to the sacrifice this trigger to dodge the downside
For just two mana, Underworld Breach is so powerful, its problematic
Theres one card in particular that made me want to take a look at Planeshift in particular and thats Wastescape Battlemage
There have been a lot of Morphling variants over the years, most of which have fallen flat
Only the most insanely powerful cards get points
I expect Metallic Rebuke to be the most-played three-mana counterspell in Standard, even more so than Disallow, Spell Shrivel, or Scatter to the Winds, and am placing it on this list accordingly