3 god yugioh cards Yu-Gi-Oh! TCG Reveals Stainless Steel Egyptian Slifer with the red card back Yugioh All 3 Egyptian God

The only real way to know would be weighing a full booster box of 36 packs, and even in these, the margin for error is higher than WOTC

Emberheart Challenger also has the Valiant ability, which states that whenever it's targeted by a spell or ability you control for the first time in a turn, you exile the top card of your library and can cast it until the end of that turn

(You can choose its target.) Board Condition : Can be played up to two times after the first round

Focus is a good thing

Left are four slots, but five cards, and then every color save red at least twice

One of these is the easier Summoning condition