
Devastating Onslaught | Sorcery | | Create X tokens that are copies of target artifact or creature you control. Those tokens gain haste until end of turn. Sacrifice them at the beginning of the next end step. | Chris Seaman

Tannuk, Steadfast Second | Legendary Creature | Kavu Pilot | Other creatures you control have haste.
Artifact cards and red creature cards in your hand have warp {2}{R}. (You may cast a card from your hand for its warp cost. Exile that permanent at the beginning of the next end step, then you may cast it from exile on a later turn.) | Raymond Swanland

Sami, Wildcat Captain | Legendary Creature | Human Artificer Rogue | Double strike, vigilance
Spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.) | Kieran Yanner

Kavaron, Memorial World | Land | Planet | This land enters tapped.
{T}: Add {R}.
Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station only as a sorcery.)
STATION 12+
{1}{R}, {T}, Sacrifice a land: Create a 2/2 colorless Robot artifact creature token, then creatures you control get +1/+0 and gain haste until end of turn. | Adam Paquette