pokemon silver tempest booster packs TCG Sword & Shield Sleeved Pack Cards Silver Tempest booster pack 10 additional game cards 1 basic Energy 1 code card for Pokemon TCG Live A staple modern Pokémon TCG: Sword & Shield-Silver

This card was presented to Tom Chanpheng upon beating Mark Justice with a severely weakened deck

Being this large for this price at the time was an outstanding deal, even if nowadays it doesn't look like much, and the bonus life points were like adding insult to injury, causing players to wince looking at their hand that little bit more and do it again when you cast additional black spells

Depending on who you ask, they can technically mean different things (blinking is end-of-turn return, flicker is instant return) but they're often used in the same way so I'm just going to be bouncing between the two here and there

Once I broke all this down, the answer seemed pretty clear: I needed to track spells being cast

EDHREC, CEDH Decklit Database and countless YouTube Videos come to mind

Vaporeon ex is also a very useful card to have if the opponent has a lot of ex cards in play