Commander The Ur-Dragon (Secret Lair Limited Foil Edition) Creatures Scion of the Ur-DragonLathliss, Dragon QueenDarigaaz ReincarnatedScourge of ValkasOjutai, Soul of WinterAtarka, World RenderSilumgar, the Drifting DeathKolaghan, the Storms FuryDromoka, the EternalBroodmate DragonOros, the Avenger Bladewing the RisenTeneb, the HarvesterSiege DragonSavage VentmawWarmonger HellkiteDeathbringer RegentPristine Skywise
Ionos Bellibolt ex will be a card for both collectors and competitors, with the 280HP Pokmon a bit of a generator for Iono builds
7 Melira Meliras arc contains an unusual kind of tragic heroism
When casting Repulsive Mutation, this X-spell places X +1/+1 counters on a target creature you control, then counters a target spell unless your opponent pays mana equal to the greatest power among creatures you control
$5 buy-in, so this may be for more serious competitors
Thats a lot of mana to commit at any point in the game, and since the effect is open information, your opponent can do a surprising number of things to prevent you from paying the mana
