Look the pattern: Here you can see a zoom on the mana symbol: The next example is a rebacked card
$2.29 Kain, Traitorous Dragoon (0316 - Borderless) Final Fantasy Variants $1.99 Jecht, Reluctant Guardian (0363 - Borderless) Final Fantasy Variants $0.59 Memories Returning (0331 - Borderless) Final Fantasy Variants $2.99 Ultima, Origin of Oblivion (0324 - Borderless) Final Fantasy Variants $1.99 Excalibur II (0352 - Borderless) Final Fantasy Variants $3.49 Gilgamesh, Master-at-Arms (0338 - Borderless) Final Fantasy Variants $1.99 Stiltzkin, Moogle Merchant (0327 - Borderless) Final Fantasy Variants $2.49 Zodiark, Umbral God (0336 - Borderless) Final Fantasy Variants $4.49 Ardyn, the Usurper (0315 - Borderless) Final Fantasy Variants $2.99 Moogles' Valor (0326 - Borderless) Final Fantasy Variants $5.49 Venat, Heart of Hydaelyn (0329 - Borderless) Final Fantasy Variants $1.49 Sin, Spira's Punishment (0348 - Borderless) Final Fantasy Variants 0 results found

Ghor-Clan Rampager Id rate Ghor-Clan Rampager as number one on this list mostly because its the card that saw the most play, especially in Modern Zoo decks
This lets you pay either the color mana on the symbol, or two generic mana in place of it
This isn't a gotcha game where your opponent waits for you to blink and then quickly activates abilities