metal card sleeves RFID Blocking Credit Keep your cards free of the wear and tear of battle Sages Secret Metal Rain Small

This does not mean 'Remove 1 magic counter and both effects are activated at the same time.' Instead, it activates by selecting one of the two effects by removing 1 magic counter

After Primo is defeated, Jakob and Lester appear to the player, Yusei and Jack, and explain their intention of changing the future by destroying New Domino City

One buffs all of your other Demons, Devils, Imps, and Tieflings by +1/+1 and grants them lifelink, while the other summons a 1/1 Devil token each end step if a creature entered your graveyard that turn

Karn's Temporal SunderingKarn's Temporal Sundering is priced similarly to the average extra turn effect, such as Time WarpTime Warp, and for the extra mana we get a BoomerangBoomerang effect tacked on