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Also, an honorable mention goes to Abeyance, which doesn't look like much today, but its original wording basically made it a mono-blue Time Walk back in 1997

Getting more than one creature back is fantastic

During 2010's Black & White series, the toughest Pokmon of the time had a maximum of 140 HP, only 20 HP higher than the original set's Charizard

It allows all cards to block monsters with keyword ability as though they did not have it

It can fill spaces in your curve and make one card last for a long time in a hand that might not have a lot of plays, giving you time to draw more

This is especially important when printing detailed artwork or text-heavy cards