(Equipment, Auras you control, and counters are modifications.) The value of X needs to be determined both when the ability triggers (so you can choose a target) and again when the ability resolves (to check if that target is still legal)
Glossary (ZeroJargon Cheat Sheet)
Through him, fans first went beyond Kanto and discovered a whole new world
Cards like Sun Titan are ideal for this plan, as you can use them to accrue significant value over time through creatures like Eternal Witness, Loyal Retainers, and Wood Elves, fetchlands like Bloodstained Mire, or even previously destroyed mana rocks, so having a big creature or two that can fill this role is very helpful when possible
They arent dangerous SLINZA, THE SPIKED STAMPEDE Beast kindred players finally get a beast centric legend
Added Tiny Heroine Totti